[3] The name may also be cognate with the Irish Muirgen, an alternate name of Lí Ban, a princess who was transformed into a mermaid when her city was flooded.
[5] The medievalist Lucy Allen Paton argues against this, stating that the Welsh name Morgen was pronounced "Morien" in the twelfth century, and that aside from living on an island, Morgan le Fay was not associated with the sea until later literature.
In some versions, however, Mari Morgans carried kidnapped sailors to underwater palaces of mother-of-pearl and crystal, and married them.
[15] In one story, an ugly old morgen king kidnapped a human girl to be his bride, but she fell in love with his handsome young son who helped her escape.
[16][17][18] In another tale, the morganed people helped the Virgin Mary with the infant Jesus and received the blessing of beauty, while in another the morganezed habitually dried their golden treasures on the sunlit beach and might give some to humans.