McCown is a patronymic surname, the Gaelic Mac (or Mc) meaning "son of" in English.
The name Còmhghan and its variants ( Còmhan, Comhainn, Còmhain ) is derived from comh ("together") and gan-, gen- ("born").
The name Mac Giolla Còmhghan, translates into English as son of the servant of Comhghain.
[citation needed] In Ireland and Scotland, the word for smith, gobha, is found in the surname MacGowan/McGowan.
[citation needed] Other possible derivations of the name may come from the Manx language word Cowan and its variants (Cowanagh, Coan, Couan) which are defined as either a shelter between two hills, or inhabitant of the plains.