Murray was born in Kitchener, Ontario, Canada in 1997. He is the son of Sylvia and Roger Murray and has one brother, Lamar. Murray attended Grand River Collegiate Institute in Kitchener, later transferring to Orangeville Prep in Orangeville, Ontario, where his father was an assistant coach and he was teammates with fellow NBA player Thon Maker. Murray meditates before every basketball game and has frequently competed for Team Canada in international play. Follow the guard on Twitter (@BeMore27) and Instagram (@jmglitxh27).