Edam’s mermaid is a story about a woman said to have been caught after a flood, brought into the town and later taken to Haarlem. The traditional date is 1403. In the versions examined here she eats ordinary food, wears clothes and learns to spin, but does not speak. Those features distinguish the account from a simple sighting of a fish-tailed creature at sea. They also explain why later investigators could accept part of the story while rejecting its interpretation as a mermaid.
The surviving printed accounts are much later than the alleged capture. They provide evidence for the circulation, alteration and commemoration of the tradition. They do not supply a contemporary identification of the person or creature involved. Edam and Haarlem belong to the same narrative: treating the two towns as separate encounters would manufacture a distinction that the sources do not support.
The flood and the woman in the Purmer
A substantial version appears in P. Nijlandt and J. van Hextor’s Het schouw-toneel der aertsche schepselen, published in 1672. Its chapter on sea-men and sea-women moves through examples drawn from earlier authorities before turning to Holland. It says that a storm in 1403 forced water through the dykes and carried a sea-woman into the Purmer lake. Once the breaches had been repaired, she could not return to the sea.
In that account, women travelling by boat to milk their animals repeatedly saw her. At first they were frightened; later they surrounded her and brought her to Edam. The description emphasises a covering of mud, moss or green growth. After being washed and clothed, she ate human food. She reportedly tried to return to the water and was kept under close watch. These are elements of the narrated capture and confinement, not observations independently verified by the seventeenth-century authors.
The story then moves to Haarlem, whose inhabitants asked to have her in their town. There she was said to have learned spinning and lived for years without acquiring speech. Her eventual churchyard burial was explained by the religious gestures she had copied from a widow with whom she lived. This ending places the outsider within a recognisable social and religious order; it is part of what the story means, rather than an anatomical description of an unknown species.
What the seventeenth-century account actually witnessed
The 1672 text does not claim that its narrator saw the capture in 1403. It invokes older writers and reports that some had heard from elderly people who said they had seen the woman. Those layers of transmission matter. A later assertion that an earlier informant was trustworthy cannot be treated as the survival of a directly recorded medieval interview.
The text does, however, contain a more limited first-person claim. The narrator says he saw a painting of the sea-woman in Edam’s Doelen and heard local people describe a tradition handed down through their families. It also mentions paintings in several neighbouring places and the continuing name of the Green Woman. That is useful evidence for the presence of the story and its images in a later community. Seeing a painting and hearing inherited testimony are different from seeing the person represented.
The chapter’s wider setting is equally revealing. It discusses reports of other sea-beings and claims about their bodily properties, while opening with uncertainty about what readers should believe. The Edam passage belongs to a historical compilation in which received authorities, natural history and extraordinary stories meet. Its inclusion cannot be read as the result of a modern zoological examination.
Vosmaer’s eighteenth-century reinterpretation
An important challenge to the mermaid interpretation appears in a 1787 review in Vaderlandsche letteroefeningen. The review discusses A. Vosmaer’s investigation, published in the Haarlem scientific society’s transactions in 1786. This review is an original source for the reception and argument of that investigation; it is not a transcript of a medieval capture record, nor should it be mistaken for a fresh eyewitness account.
According to the review, Vosmaer accepted the broad history told by the old chroniclers but rejected the claim that the captive had been a mermaid. He compared accounts attributed to Jan Gerbrandsen van Leiden, Reynerus Snoyus and Ocko Scharlensis. The review stresses that their descriptions referred to a wild woman or female person rather than a mermaid. It then turns from language to pictures.
The images discussed included a painting in Haarlem, a painting in Edam’s Prinsenhof and the stone figure in the Purmer gate, completed in 1610. The reviewer says they showed a woman with hands and feet and long hair. One Edam painting represented her as green, which the argument connected with the growth or dirt described in the chronicles. This challenges the expectation of a fish’s tail. It does not establish the identity or circumstances of a real person in 1403.
Vosmaer’s proposed reconstruction, as quoted in the review, was that a woman from a wrecked ship had reached the coast and possessed an exceptional ability to remain in water. That was a conjecture offered to explain the narrative naturally. It was not a documented identification of a ship, a survivor or a missing person. The review’s confidence therefore needs to be distinguished from the evidence available to readers. A plausible human story can still rest on an unverified historical premise.
The gate image and a later source investigation
The lead image is an anonymous etching dated 1784 in the Rijksmuseum collection, object RP-P-OB-78.245. It depicts the figure associated with Edam’s Purmer gate. The inscription describes the gate as completed in 1610 and the stone as already badly damaged in 1784. The museum notes that the print was also used in Vosmaer’s 1786 publication. It is evidence of a commemorative object and its later recording, not a portrait made during the alleged capture.
Cornelis Bakker returned to the tradition in a 1922 article on supernatural beliefs in North Holland. In a note to his discussion of mermaids, he reproduced information supplied by the folklorist G. J. Boekenoogen. That information traced the story through chronicles and later histories, including the Divisie Kroniek, first printed in 1517. UKPX has reviewed Bakker’s account of that transmission; it does not claim to have independently examined every earlier edition he names.
Bakker also described asking for information in Edam. He was told that the Purmer gate had been demolished in 1835 and was supplied with a photograph and access to Vosmaer’s work. His note separates the written Edam tradition from a marriage story mentioned in oral tradition. The historical versions he examined did not contain that marriage; he compared a different tale involving a seal-woman’s stolen skin. Combining all such motifs into one continuous Edam narrative would conceal the differences he was investigating.
Assessment and location
The strongest supported conclusion is that this was an enduring local tradition with an extensive printed and visual history. The sources preserve concrete disagreements about terminology, bodily form and possible human origins. They also expose the chronological gap between the claimed event and the accounts available here. Neither the existence of the gate figure nor repetition in later books closes that gap.
UKPX classifies the case as insufficient evidence. There is no contemporary capture record, physical specimen or independently established identity in the material reviewed. Vosmaer’s human-survivor explanation remains an attributed historical proposal. The absence of a demonstrated explanation does not turn the mermaid interpretation into a verified event.
The approximate map pin is an Edam town reference at 52.517, 5.050, rounded from the town coordinates on Wikimedia Commons. It anchors the tradition geographically without identifying a capture point in the former Purmer lake, a private residence, a burial or the demolished gate’s exact position. The date 1403 is the date assigned by the tradition, not a newly verified incident date; 1672, 1784, 1786–1787 and 1922 refer to the later sources and images discussed above.