GeeGee \ge(e)-gee\ as a girl's name is a variant of Gigi (French). See for meaning of GeeGee. The baby name GeeGee sounds like G.G., Keiki and Keiko. Other similar baby names are Genie, Gene, Geena, Geelah, Geela, Gennie, Genae, Geeta, Gingee, Ginnee, Jennee, Jenee, Jeree, Jeanee, Jerree and Geenia.