Updated June 9, 2019 Share: Boy name origins & meanings Greek : Watchman Boy name variations Gregory Gregorius Gregorios Gregoire Gregor Greger Gregorio Gregoor Griogair Grioghar Gregus Gragos Greis Grischa Grigor Grigori Gries Gero Greg Graig Greig Gregg Gregson Grig Grigg Grigson McGregor How Popular Is The Name Gregori Family name origins & meanings Italian : patronymic or plural form of Gregorio.Catalan : from the personal name Gregori (see Gregory).