Gahan (surname) Irish language "Mac Gaoithín", meaning "son of "Gaoithín"", although the more common Anglicised form of this Gaelic name is "McGeehan" in Ulster. Gahan (surname) Gahan (and its variant Gahame) is a surname with several different origins. One origin of the surname is from a reduced form of "McGahan", which is in turn an Anglicised form of the Irish language "Mac Eacháin", meaning "son of "Eachán"". Another origin of the name, in Leinster, is from a reduced form of the Irish language "Ó Gaoithin", meaning "descendant of "Gaoithín"". The personal name "Gaoithín" is a diminutive of "gaoth", meaning "wise", or "wind".
Flanagan (surname) Flanagan (surname) Flanagan is a common surname with origins in either Ireland or Scotland. It is an Anglicized version of the name Ó Flannagáin.There were at least 3 separate clans in Ireland with no connection, but many others share the surname Flanagan in Glasgow, Dundee and Aberdeen. In Irish the name is "Ó Flannagáin" and many variations exist today. Typically these variations include Flanagan, Flanagin Flanigan, Flannigan, Flannaghan, O'Flanagan, O'Flannagain, Flaniken, Flenigenand and more. In Scots-Gaelic they remain mainly the same. All variations, apart from some exceptions can have the prefix of "O" and the name may refer to: The