Jey is seldom used as a baby name for boys. It is not in the top 1000 names. In 2015, among the group of boy names directly related to Jey, Jay was the most popular.
Baby names that sound like Jey include Ji (Chinese), Dji, Gai (Hebrew), Gee, Ojee, Ojie, J, Jaac, Jac (Welsh), Jace (English), Jach (Czech and Polish), Jack (English and Dutch), Jacke, Jacks, Jacq, Jacs, Jae (English, Korean, and Indian), Jag, Jah, and Jaice.
† approx pronunciation for Jey: JH as in "joy (JH.OY)" ; IY as in "eat (IY.T)"