Marcelyn \m(a)-rcel-yn, mar-ce-lyn\ as a girl's name is a variant of Marcella (Latin), and the meaning of Marcelyn is "dedicated to Mars".

The baby name Marcelyn sounds like Marcilyn, Marcelle, Marceline, Marcelina, Marcele, Marcela and Marcilynn. Other similar baby names are Marelyn and Marvelyn.