Maude Delap
Heritage Trail
Follow this trail to explore the life of 19th century pioneer marine biologist, Maude Delap, on Valentia Island.
Finding Maude Delap: a walk through history
Maude Jane Delap (1866 - 1953) was a pioneering marine biologist who lived on Valentia Island for most of her life. The research she carried out on plankton and jellyfish was ground-breaking at the time and helped build much of our knowledge around jellyfish life cycles. Her story is interwoven with Valentia Island so this trail is a wonderful way for you to learn more about Maude Delap's life and legacy.
View the trail in the map, read the information about each point in the text below, or view the trail using the Storymap.
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LOCATION: Knightstown, Valentia
LENGTH: 2km to 10km
DIFFICULTY: Easy
PARKING: Knightstown Clock Tower -
This trail may be explored on foot, bike, or by car. The locations can be visited in any order. There are no way markers on this route - part of the fun is seeking the various points of interest in Maude’s life! Some locations are best observed from afar, such as the rocky shore beyond Valentia Lighthouse. The beach location is only accessible at low tide. If you are walking, bear in mind that the trail crosses main roads and includes country lanes and paths.
Opening hours are seasonal.
Take care and enjoy your walk in the footsteps of Ireland’s pioneer jellyfish scientist!
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If you are looking for another way to explore this Heritage Trail, listen to “In the footsteps of Maude Delap” by Frank Lewis. This programme features many of the stops on the Heritage Trail, and includes insights from marine biologist, Jane Sheehan; local historian and author Micheál Lyne; geologist and owner of the Valentia Slate Quarry, Aidan Forde; and great grandniece and grandnephew Lucy and Miles Delap.
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Click on the number icons to view more information about each location.
To view the on your mobile device, in a web browser or in the Google maps app, click on the square icon in the top right hand corner of the map to open the map in a web browser or Google maps app.
To view the map within this page, click on the square in the top left of the map.
Maude Delap Heritage Trail
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1. The Waterfront
Valentia Island is known as “Oileán Dairbhre” in Irish which translates to “The Island of the Oaks”, as it is said that the island used to be covered in oak trees. The English “Valentia” derives from the Irish words “Béal Inse”, meaning the mouth or the estuary of the island. Sitting at the south-east of the island is the village of Knightstown, where we begin our walk in the footsteps of Maude Delap.
In 1876, having travelled all the way from their home in Templecrone, Co. Donegal, Maude Delap and her family arrived in Knightstown. Maude’s father, The Reverend Alexander Delap had been appointed to the parishes of Valentia and Cahersiveen.
Her father, who was a keen sailor, sailed down the coast to Valentia Island with two of her brothers. A separate boat carried their possessions, which arrived rather battered. John Barlee, a grand-nephew of Maude Delap, recalled being told by Maude and her sisters in the 1930s and 1940s not to sit on certain chairs - because ‘their legs were a bit loose from the journey’. Maude, the rest of her siblings, and her mother travelled to Cahersiveen by train, which is no longer possible since many of the railways closed in the mid-20th century.
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2. Knightstown Marina
Between April and October, the seasonal Valentia Island Car Ferry crosses between Reenard Point near Cahersiveen and Valentia. In his plan for Knightstown, Scottish engineer and geologist Alexander Nimmo envisioned a bridge connecting Knightstown to the mainland but until the Maurice O'Neill Memorial bridge that connects Valentia to Portmagee was constructed in 1970, all transport to and from the island was by boat.
Luckily, the harbour in Knightstown is very sheltered, allowing access for fishing boats and ferries in any sea state or tide. By necessity, the people of Valentia have a close connection to the sea. Not only were most small farmers also fishermen, but catch was processed on the island too. In 1825, it is said there were 252 sailing boats and 271 row-boats fishing.
Although very few rowing boats are used for fishing today, the tradition of coastal rowing remains in Iveragh. Regular regattas that take place around the peninsula in the summer always feature seine boats, which were traditionally used for net fishing.
The constant influx of fishermen and boats was beneficial to Maude’s research. Often these fishermen would bring her interesting reports and species they had caught while out at sea. Sometimes, Maude and her sister Constance would come aboard fishing or research vessels which had come into Valentia harbour to view their catches for any interesting finds and for jellyfish worth recording.
The Delaps, like others on Valentia, spent much of their time fishing, sailing, and exploring the locality on boats. With this background, Maude and her sister were confident enough to row out alone into caves and along the coast taking samples and making observations of the local marine life. Maude and Constance were also granted by the Fisheries Board part-time use of a steamboat to aid in their research.
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3. The Pier
Here, in Valentia Harbour, is where Maude carried out much of her marine observations and all of her research on plankton and jellyfish. Delap’s work on plankton began in the spring of 1895 when a group of English scientists came to study Valentia Harbour. They chose the location due to its environmental suitability, but also due to hearing about the presence of a family of naturalists living on the island who had expressed interest in assisting in research.
The team of scientists were led by Edward T. Browne, who specialized in jellyfish and plankton. To study these species, most of which are very small, you must collect them by towing a very fine net from your boat. Maude and Constance were very eager to row out and assist Browne in tow-netting the harbour. Once plankton was collected, it was taken back to the lab to identify and sketch.
After the team departed in 1896, the Misses Delap continued to survey the water. They recorded the sea temperature and noted how marine species changed throughout the year. The invaluable assistance of both Delap sisters was acknowledged in Browne’s scientific publications. Maude spent 28 years surveying the plankton of Valentia harbour. Her research was published in three separate papers which carried both her and Constance’s names, which at the time would have been very unusual for women.
One hundred years on, this location is a popular swimming spot with people queuing for their turn to jump off the pier. During the summer season, you are likely to be greeted with a flurry of neoprene clad children laughing, playing, and splashing about at summer camp at Valentia Island Seasports. Follow in the footsteps of Maude and her sister Connie by taking a sea cruise, kayaking, or even learning to sail.
The Watch House on the pier is a wonderful place to get coffee, lunch, or dinner. The building is 200 years old. A large telescope sat on top of the building and those awaiting a shipment could stand atop and look out for any signs of approaching vessels. It's quite possible that people would have been able to see Maude rowing out in her small brown punt, a tow net out behind her. If you move around the right of the building, you can still see the indentation where the telescope used to be perched.
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4. The Burrowing Sea Anemone
The other pier here at Knightstown marina is the RNLI lifeboat pier. The Lifeboat Station in Knightstown first opened in 1869. According to RNLI records, it has saved some 400 lives to date.
In 1928, this pier was the site of a fascinating discovery. Just off the side of the pier, Maude Delap found a Sea Anemone burrowing deep into the Eelgrass. As it had never previously been described, it was named in honour of her discovery. To this day, the Burrowing Sea Anemone (Edwardsia delapiae) has not been found anywhere outside of Valentia Harbour.
The harbour is protected under the Valentia Harbour/Portmagee Channel Special Area of Conservation (SAC), which is part of EU Legislation set out to protect and conserve the area. This SAC is designated to protect the mudflats, sandflats, large shallow inlets, bays, and reef habitats which are found in the harbour and channel. Alongside this, it aims to protect the biodiversity these habitats promote, such as the rare sea anemone discovered by Maude Delap.
Other species of importance found and protected within this SAC include species of Sea Sponge, the Cup Coral (Caryophyllia smithi) and the Sea Pen (Virgularia mirabilis), which are found in deeper waters at the entrance of the Portmagee channel. Other anemones found in the SAC include Scolanthus callimorphus and Halcampa chrysanthellum and the Jewel Anemone (Corynactis viridis). The area also boasts a variety of Mussels, Barnacles, Limpets, and Molluscs all which are associated with rocky shorelines and soft sediments.
If you want to explore the harbour further, why not ask about taking a boat tour?
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5. Beachcombing
The shore below Reenellen House is where Maude Delap went to hand collect Jellyfish for her experiments. Looking out across the water, you can see how the view of the harbour and Doulus Head would have inspired Maude’s interest in marine biology. This is a great place to stop and enjoy a family picnic while taking in a gorgeous view.
If you’re interested in following in Maude’s footsteps and engaging in citizen science – why not carry out your own shoreline survey? The small beach is littered with an abundance of shells and marine biodiversity. Check out this handy identification sheet by the National Biodiversity Data Centre Ireland, which you can use to identify the bivalves of Valentia Harbour. You can submit your records to the National Biodiversity Data Centre Ireland. Jellyfish are often stranded along this shoreline and can be viewed bobbing along the water. If you’re lucky to observe your very own jellyfish, send a photo to the Big Jellyfish Hunt!
Maybe you’re the more adventurous type and have heard that the surrounding waters are a world-renowned diving spot which has even featured in the National Geographic. The deeper water surrounding the pier is teeming with biodiversity, from Conger Eels and Flatfish to Blennies and Lobsters and even tiny Pipefish. Basalt Point and Beginish Island, along with the caves on Doulus Head are all dive sites which were once frequent sampling areas for Maude Delap. Maybe you’ll be able to spot some of the jellyfish Maude studied or even see some of the larger plankton species. If you would like to find out more about snorkelling or diving on the Iveragh Peninsula, get in touch with the Kerry SubAqua Club.
6. Reenellen House
When Alexander Delap died in 1906, the Delap family moved out of the Parsonage and were permitted to use Reenellen House by the Knight of Kerry. The house, which was once surrounded by hydrangea bushes, flower beds and gardens, now stands in disrepair, and can only be viewed from behind a barrier. The original land stretched as far back as Walsh’s shop on Market Street.
The large house hosted many guests over the years. As well as visiting friends and family, the Delaps provided lodging for scientists and naturalists visiting the island and for fishermen who sought accommodation in bad weather. The Delaps felt a great sense of responsibility to the island community and helped whenever they could. Peter Delap, Maude’s nephew, recalls spending evenings fishing in the harbour to provide dinner for their guests and members of the community.
Reenellen house also contained a home-made laboratory where Maude Delap conducted her experiments. It was referred to as “The Department”. Peter Delap described the lab as a ‘heroic jumble of books, specimens, aquaria, with its pervasive low-tide smell’. One can only imagine what “The Department” looked like, as many accounts from Maude and Constance detail the array of species she reared in the lab – not just jellyfish, but fish, starfish, and even a thornback ray Maude reared from an egg!
Maude Delap is remembered mostly for being the first person in the Western World to rear jellyfish through their unusual life cycle at a time when scientists with access to the best resources had failed. It was, and still is, a very difficult task due to the complex nature of jellyfish. In 1901, however, Maude and Constance published a scientific article on their success culturing a Compass Jellyfish (Cyanea lamarackii). This was an important publication, and it is still in use today. Maude went on to publish her success on rearing 3 more species throughout her lifetime. This was a very impressive achievement and a notable contribution to marine science and to our understanding of the jellyfish life cycle.
Maude and her sisters also tended the gardens of Reenellen, where they grew flowers, fruits, and vegetables. After the death of their father, the Delaps had to sustain themselves. Among other ventures, they often sold their flowers to the local community.
It is speculated that Maude Delap had unrequited love for the scientist Edward Browne. The two corresponded on a regular basis for over 40 years. Each year on Edward's birthday, Maude would send a box of violets, home grown from the Reenellen gardens.
The gardens also provided another function for Maude: when she received or found a dead specimen of interest, she buried it in the garden. This is the fastest way to retrieve bones of the animal for identification.
Perhaps there are still bones of whales or other creatures beneath the overgrown gardens of Reenellen House!
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7. Commemorating
A memorial plaque is situated just off the road near Reenellen house. The plaque mentions that Maude was a naturalist. Her interest in her surrounding environment was not limited to the marine. In fact, the entire Delap family were avid naturalists, an interest they inherited from their father. Alexander Delap began correspondence with the Natural History Museum during his time as rector in Donegal. A total of 102 specimens were received from the Delap family throughout their lifetime; 47 submitted by Maude herself. These included marine animals such as jellyfish, fish and octopus along with birds, insects and flowers. Her first letter to the museum dates to 1894. She continued this correspondence with the museum until she was 1949, at 83 years of age. The specimens submitted by the Delap family are still there today and kept in wonderful condition due to the outstanding work of the museum.
The renowned naturalist, Robert Lloyd Praeger was a close friend of the Delaps and Rev. Delap is acknowledged in his book “The Way That I Went”. Maude and Alexander both submitted observations to Dr Scully’s “Flora and Fauna of Kerry” and are acknowledged throughout. Maude’s interests also included folklore, geology, and archaeology. She published several papers in the Kerry Archaeological Magazine.
Maude and her sister Constance corresponded with many prominent research figures in Ireland and internationally. The plaque likewise mentions Maude's connection with Plymouth Marine Biological Station. In 1906, Plymouth offered Maude a fellowship, a significant honour which she could have used to further her career in marine science. She unfortunately declined reportedly due to her father saying, "No daughter of mine will leave this house except as a married woman". Despite this, Maude Delap continued research on Valentia until her death in 1953. During her lifetime, Maude’s work was recognized with accolades such as being elected an associate member of the Linnean Society in 1936, and in 1937 an associate member of the Marine Biological Association.
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8. Fisherman's Hall
Knightstown is an important location in the world of cartography. Before there were lines of longitude, ships often went off course, and could only navigate using the night sky. In 1844 an experiment was carried out to measure distance physically between Valentia to Greenwich in England, in conjunction with time.
This experiment resulted in marking out the lines of longitude. This was re-confirmed in 1862 by another experiment which used an instrument called an "Altazamuth". While the real instrument is at the Greenwich Observatory, a stone laid on Jane Street in Knightstown marks the spot of the experiment. A replica of the stone is there today and can still be visited.
Before it was a relaxing B&B, Altazamuth House was the location of the Fisherman's Hall, a place of safe harbour for fishermen during stormy conditions or rough seas. It was run on a volunteer basis. The Delaps were regular volunteers. It's said that the sisters would often offer a bun, a cup of tea, and a singsong to those who stayed there.
In 1895, when Edward Browne and his team arrived to conduct their research, the Knight of Kerry offered them the use of the Fisherman's Hall for their work. They set up a rudimentary marine biology lab and conducted their studies from there for the year.
The Knight of Kerry went on to donate the wooden hall to the people of Valentia. The wooden structure was moved further up the village and became the first hospital on Valentia. This is still the site of the Valentia Hospital today. Maude, Mary and Connie Delap all volunteered at the hospital. Altazamuth House has also been the site of a dance hall and a cinema.
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9. St. John The Baptist's Church, Knightstown
Maude's father, Alexander H. Delap was a reverend of Templecrone parish in Donegal before he accepted the position of Clergyman in the newly built St John the Baptist's Church on Valentia.
There are several mentions and acknowledgements to the Delap family within St John the Baptist’s Church. Two stained glass windows within the Church were erected to commemorate Delap family members who died during the war.
Rev. Delap was well-liked on Valentia by both Catholics and Protestants, creating a sense of unity between the two communities. His granddaughter Rhonda, once asked him what were ‘the Catholics’ and Rev. Delap replied, ‘Never ask me that, child; we are all God’s children.’ His daughters, Maude, Mary and Connie followed in his footsteps and spent a lot of time working with the Catholic parish priest to help those impoverished on the island.
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10. The Parsonage
Upon Alexander's appointment as reverend, the Delap's moved into the Parsonage, which is now privately owned. The entrance to the Parsonage and the church gate opposite has matching Valentia Slate slabs. Alexander Delap had a lifelong interest in and a great love for the sea. Rev. Delap’s superior, Bishop Graves of Limerick, called him 'my old man of the sea'. He was proud to have the Skellig Islands in his parish and would sail out there often with just an oar and sail, visiting the lighthouse keepers and giving them service. He was said to have sailed to Puffin Island to observe the wildlife and hunt for rabbits to bring back for the village. He passed this passion for nature to his children along with a sense of duty and responsibility to the communities of Valentia and Iveragh.
Maude’s older brother Alec, or Ally, was keenly interested in wildlife. His observations range from all types of animals and plants, and his notes on jellyfish suggest he may have inspired Maude’s love of them. Her brother Colonel George Delap was a doctor for the Royal Medical Core and even wrote to the museum about wildlife he found while he was on tour. One letter of his was sent from the Kamchatka peninsula in Russia about a bird he observed.
Constance, or Connie was an invaluable collaborator in Maude’s research. She accompanied Maude on many of her excursions towing for plankton. Archive material recently uncovered suggests that Constance had a much larger role in Maude’s work on jellyfish and plankton than previously known. It is clear from her letters that she had a detailed knowledge of jellyfish biology, identification, and was just as invested as Maude in the rearing experiments they conducted. Constance recorded a large amount of scientific data and sent it to Browne. This discovery highlights the need for Constance Delap to be celebrated alongside her sister for their contribution to marine science and research.
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11. Valentia Island Heritage Centre
The Valentia Island Heritage Centre has a wealth of information on display covering the rich history of the island, including a section dedicated to Maude Delap and her family. You can view the famed golden microscope which she used to study the microscopic plankton she captured in her tow net. Her notes and sketches are available to view within the very journal she used to record jellyfish. This beautiful, textile bound journal, shows the wonderfully detailed drawings Maude made of some of the smaller cryptic jellyfish species. The sketches in this journal not only show what a talented artist Maude was but her extreme attention to detail. She was able to perfectly describe details such as the structure and organs of jellyfish which were microscopic in size. This would have required great patience and skill on both the microscope and with the pencil. The Valentia Heritage Centre also houses a wonderful photo collection with some photographs of Maude and her family.
You can also learn more about the many wonders of Valentia Island at the Heritage Centre, from Tetrapod Trackways and Transatlantic Cables to the day-to-day life of local islanders. This history and heritage are essential for those looking to learn more about the Delap era and the culture of the island.
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12. The Whale and the Lighthouse
The Valentia Lighthouse at Cromwell Point was built on the site of a 17th century Cromwellian Fort and began operation on the 1st of February 1841. The Lighthouse has its own rich history which you can learn more about here.
If you take a tour of the Valentia Lighthouse and stand atop the tower you will have a bird’s eye view of the harbour in which Maude Delap carried out her plankton sampling. Imagine hearing the creak of the oar locks as she rowed past.
In 1920 locals alerted Maude to the stranding of a 16-foot-long whale thrown up on the rocks beyond the lighthouse. Maude was not just the local contact for interesting wildlife observations - she was appointed as the official whale stranding officer for the South-West of Ireland by the British Museum.
She set out with her handyman Mike to visit it. She correctly identified the 16-foot whale as True’s Beaked whale, which had only previously been known from one incomplete specimen. Letters were sent from Maude to the curator of Natural History Museum and upon their request the head and the flippers were removed from the body and the rest of the body carted back to Reenellen house to be buried.
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13. Asparagus and Identification
Once most of the whale was tucked away in her garden beneath her asparagus bed, she sent the head and flippers to the museum. Of course, it wasn’t long before the museum wrote to her again – they needed more bones. She upturned her asparagus bed and sent off the rest of the specimen. When an additional letter came questioning the location of two small bones (vestigial pelvic bones), Maude returned to asparagus bed once more to search for the missing pieces. She dug and sieved until finally a telegram arrived and was delivered to her promptly with the message “Stop! New York Museum informs us that True’s beaked whale does not possess vestigial pelvic bones”. The full skeleton of True’s beaked whale identified by Maude Delap stands today in the Natural History Museum in Dublin.
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14. Graveyard, Kilmore
Back in the early 1800s, St John the Baptist Church was located at Kilmore. The Georgian Hall and tower were constructed in 1815. It held a congregation of 60 people. When the population of Protestants grew, there was talk of developing an extension to the church. Instead, however, it was demolished. Materials from the church were re-used in the new Protestant Church in Knightstown, where Rev. Delap served. The ruins of the original church still lie within the old graveyard, which is the final resting place of the Delap family. There is a memorial plaque for Maude Delap at the entrance to the graveyard. Though Maude's name is mentioned on her father's gravestone, she is actually buried beneath the plaque to her memory.
Explore Valentia
This westerly island off the coast of Europe was home to a community that was resilient and progressive in many ways, welcomed important figures from industry, science and nobility, fostered innovation and independent thought, and was connected to the rest of the world by rail, sea, and cutting-edge telecommunication.
Many historical tours and places on the island offer immersive experiences of the rich and fascinating history of Valentia Island and are wonderful opportunities for exploration and learning. If you’re looking for more information on what’s available, check out https://valentiaisland.ie/