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".
Campbell (surname) Campbell (surname) Campbell is primarily a Scottish surname of Gaelic origins. In Scotland, the name itself derives from two Scottish Gaelic words. "Cam" (crooked) and "Beul" (mouth) meaning "Crooked mouth" or "wry-mouthed", originally a nickname which over time became used as a surname. Campbell is the third most common surname in Northern Ireland, fourth most common in Jamaica, seventh most common in Scotland, 12th most common in Canada, 18th most common in Australia, 41st most common in the United States and 65th most common in England. The Irish (outside of Northern Ireland) occurrence of the name usually has a different