Matheson (surname) Matheson (surname) Matheson is a surname derived from the patronymic form of a short form of the English "Matthew". This English personal name is ultimately derived from the Hebrew "Mattathia", which means "gift of God". An early record form of the surname "Matheson" is "Mathyson", recorded in 1392; this recorded name literally means "son of "Mathi""—"Mathi" being a pet form of "Matthew". Two different Scottish Gaelic surnames have been Anglicised "Matheson". One such surname is "Mac Mhathghamhuin" (Clan Matheson), which became Anglicised "Matheson" on account of its similar sound. This Gaelic surname is of an entirely different etymology than "Matheson",
Kennedy (surname) Kennedy (surname) Kennedy, alternately O'Kennedy and Kennedie, is a surname of Irish and Scottish origin that has also been used as a given name. There have been several different etymologies given for the surname. One is that the name is an Anglicisation of "Ó Cinnéide", meaning "grandson of "Cinnédidh"" or "grandson of "Cinnéidigh"", with both of these personal names meaning "helmet headed." "Ceanéidigh" could be related to the old Gaelic name "Cennétig", which is known from Cennétig Mac Lorcáin, the father of the Irish high king "Brian mac Cennétig", who himself was also known as "Brian Bóruma" or Brian Boru.