Name Blain Type Surname (from given name) Usage Scottish (Anglicized), Scottish Gaelic, English Pronounced Pron. BLAYN Edit Status Status Meaning & History Anglicized form of the Gaelic name BLÁÁN, a shortened form of MACBLAIN, or a variant of BLIN. It could also be a nickname for a person suffering from boils, from Middle English blain "blister"