MacArthur \m(a)-car-thur, mac(A)-rthur\ as a boy's name is of Scottish and Gaelic origin, and the meaning of MacArthur is "son of Arthur". World War II General Douglas MacArthur.

MacArthur has 1 variant form: McArthur.

Baby names that sound like MacArthur are MacArdell, Macardle and McCarthy.