Updated June 9, 2019 Share: Boy name origins & meanings Greek : Watchman Boy name variations Gregory Gregorius Gregorios Gregori Gregoire Gregor Gregorio Gregoor Griogair Grioghar Gregus Gragos Greis Grischa Grigor Grigori Gries Gero Greg Graig Greig Gregg Gregson Grig Grigg Grigson McGregor Family name origins & meanings Polish and eastern German : from a vernacular form of the Latin personal name Gregorius (see Gregory).