Cailin \ca(i)-lin\ as a girl's name (also used as boy's name Cailin), is pronounced KAY-lin. It is of Gaelic origin, and the meaning of Cailin is "girl". Possibly a contemporary variant of Cailean (Scottish). See also Kaylin.

Cailin has 5 variant forms: Caelan, Caelyn, Caileen, Cailyn and Caylin.

For more information, see also the related name Colleen.

Baby names that sound like Cailin are Calin, Cailen, Caelin and Kailin.