Pewter and enameled Clan Crest Lapel Pin. 1" long X .75" wide. Q - What is the difference between Mc and Mac? A - There is no difference. Mc is the shortened version of Mac meaning, "son of' in the Scots Gaelic language. Although Mc is quite prevalent in Ireland, Mc or Mac was never originally used in Irish Gaelic. O' was used meaning "of that family" and spelling changes often happened through migration.
