Keryado was a French fishing trawler that was built in 1904 Silvain for Dutch owners.

[1] The ship was built as yard number 326 by M. van der Kuijl, Slikkerveer, South Holland, Netherlands,[3] for the Stoomvisserij Maatschappij Mercurius, IJmuiden, North Holland.

In 1916,[3] she was sold to P. J. Thorsteinsson, Reykjavík, Iceland, and was renamed Thorstein Ingolffson.

[3] In 1919,[6] she was sold to the Société Anonyme Chautiers de l'Ouest, Saint-Nazaire, Ille-et-Vilaine, France, becoming the French fishing boat Keryado.

[7][b] Based at Fécamp, Seine-Inférieure, the fishing boat registration F 751 was allocated,.

[2] According to Lloyd's Register, she was renamed Keryado II in 1931 and had been sold to the Société Vasse et Compagnie, Fécamp.