Fallyn \f(a)-ll-yn\ as a girl's name is a variant of Fallon (Irish, Gaelic), and the meaning of Fallyn is "superiority; descended from a ruler".

The baby name Fallyn sounds like Fallen and Fallan. Other similar baby names are Allyn, Cailyn, Caelyn, Caylyn, Calyn, Callan, Kallan, Callen, Daelyn, Ellyn, Faryn, Farryn, Jalyn, Jaelyn, Kaylyn, Kalyn, Kailyn, Kaelyn, Kellyn, Fillys, Raelyn, Taylyn, Valyn and Vally.