Gerrilyn \ge-rril-yn, gerr(i)-lyn\ as a girl's name is a variant of Geraldine (Old German, French) and Geri (English), and the meaning of Gerrilyn is "spear ruler".

The baby name Gerrilyn sounds like Jerrilyn, Gerilynn, Geralyn, Jerralyn, Jerilyn and Kerilyn. Other similar baby names are Sherrilyn, Cherrilyn and Marrilyn.