The meaning of the name Callin is Slender, Thin. The origin of the name Callin is Irish. This is the culture in which the name originated, or in the case of a word, the language.
From the Gaelic name CAOLĂN.
Callin is on 181 BN name lists Callin is currently not ranked on the BN charts Callin is currently #570 in U.S. births
Callin 
