Cheryllyn \ch(e)-ryll-yn, cher(yl)-lyn\ as a girl's name is a variant of Cherilyn (French), and the meaning of Cheryllyn is "dear".
The baby name Cheryllyn sounds like Cherylyn, Cherlyn, Sherylyn, Cherylin, Cherrylyn, Cherrilyn, Cherralyn, Cheralyn, Cherylynn, Cherylinn and Cherylann. Other similar baby names are Cheryll and Cherylle.