Cree \c-ree\ as a boy's name (also used as girl's name Cree). Native Canadian tribe: the Cree originated in areas from Quebec to Alberta. Some of the guides for the famous Northwest explorations of North America came from Cree tribes, as they were great warriors and travelers.
Baby names that sound like Cree are Crewe and Crew. Other similar baby names are Creed, Creek and Free.