FAGAN

(origin: Gaelic.) A beech-tree. The Fagans were descended from Patrick O'Hagan, living A.D. 1180. O'Hagan, the posterity of Agan. Ogan, Ogyn, or Hogyn signifies, in the Welsh, young, a youth. Gaelic, Og, a young man.

Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.

FAGAN. A corruption of the patronymical O'Hagan. The Fagans of Feltrim, CO. Cork, deduce themselves from Patrick 0"Hagan, who opposed the invasion of Ireland by the Anglo-Normans in the XII. cent. SeeB.L.G.

Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.