Cyndi's List: Isle of Man section of a global genealogy site. Wide range of information and links.
Family History Society of the Isle of Man: Has may links to related sites and the North American Manx Association. The site is maintained by Mike Cain.
Home of the Kneen Family: Information regarding Manx history, links, census, pictures, as well as Kneen and Cosnahan Family histories.
Kneen and Brown Ancestors: Family history including surnames Kneen, Brown, Lloyd, Pennington, McDonald, Diericx, Baete, Leyn from England, Isle of Man and Belgium. Family photos and links page.