Kier Family History. Kier Name Meaning. Austrian: occupational name for a cowherd, Chüyger in the Tyrolean dialect, from Kühe 'cows' (plural of Kuh) + -er suffix of agent nouns. English and Scottish: possibly a variant spelling of Kear.
Kiernan Name Meaning. Irish: reduced form of McKiernan, an Anglicized form of Gaelic Mac Thighearnáin 'son of Tighearnan' (see Tiernan).
