Updated February 28, 2024 Share: Table of contents Boy name origins & meanings American : Strong-willed Boy name variations Manus Mann Mannas Mannes Mannis Mannus Family name origins & meanings Dutch : variant of Magnus. Dutch : from a short form of the personal name Germanus, Germanes. Dutch : variant of Mennen. Czech (Mánes) : from Mánek, a pet form of the personal name Emanuel. Appears on 200 Names That Mean Death and Darkness