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".
Gray (surname) Gray (surname) Gray is a surname of that can come from a variety of origins but is typically found in Scotland, Ireland and England. In Ireland, the surname may have a Gaelic source from a phonetic transcription, or Anglicization of McGrath or McGraw. "Mac Giolla Riabhaigh" is sometimes Gray, but is also Anglicized to "McGreevy," "Gallery" and others. In most Scottish instances, the name "Gray" is from the Germanic Scots language, and is cognate with Old English, "græg", meaning "grey", probably as a hair colour. Also among Irish and Scottish Grays is the English name of Anglo-Norman origin. A knight