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".
Leavy surname Leavy may appear prefixed with the Gaelic language "Mac" or even "Mc", "MacA" and "MacE". Notable people with the surname include: Leavy Leavy (Lay-Vee) is a Scottish surname. It arose from the Scots slurring of the surname of the Irish MacDunleavy (dynasty) (Gaelic language MacDuinnshléibhe) royals, exiled in the still Celts Highlands of Scotland after the 12th century English conquest of the last remnants of the Dunleavy’s, thereto, though reduced, still sovereign Irish state in southeastern Ulster, that is the (Ulaidh (province). The Dunleavy/MacNulty (Gaelic language Mac an Ultaigh, for an individual of the Ulaidh tribe) were the last