In Celtic usage, Cameron means crooked nose. Nickname of a Highland chieftain with a crooked nose. In Gaelic usage, Cameron means crooked. From the Celtic Cameron meaning Crooked nose. Nickname of a Highland chieftain with a crooked nose. In the Republic of Ireland, Cameron means bent nose. In Scotland, Cameron means derives from a Scottish surname; from the Gaelic meaning crooked or bent nose. A common first name in Scotland, and in 2Oth century Canadian and Australian families of Scottish descent.