Joycelyn \jo(y)-cel-yn, joyce-lyn\ as a girl's name is a variant of Jocelyn (Old German) and Joyce (Latin), and the meaning of Joycelyn is "a member of the German tribe, the Gauts; lord".
The baby name Joycelyn sounds like Joycelin, Joscelyn and Joycelynn. Other similar baby names are Jacelyn, Josselyn, Joselyn, Joscelin, Joclyn, Jocelynn, Jocelyne and Jocelin.