Jaillin \ja(il)-lin\ as a boy's name is a variant of Jalen. See for origin and meaning of Jaillin.
The baby name Jaillin sounds like Jaillen and Jailin. Other similar baby names are Cailin, Dallin, Jalin, Gaillen, Jaidin, Jailon, Jaelin, Jaylin, Mallin and Tallin.