Baby Names Boy Names Meaning of the Name Caolan Updated January 14, 2026 by Jennifer M. Caolan Gender: Male Origin: Irish Meaning: Slender Lad ♥ Add to my Namelist What is the meaning of the name Caolan? The name Caolan is primarily a male name of Irish origin that means Slender Lad. People who like the name Caolan also like: Faolan, Cian, Crevan, Roan, Ceallach, Declan, Liam, Caoimhe, Saoirse, Eadoin, Aisling, Charlotte, Adeline, Genevieve Names like Caolan: Coline, Callan, Cillian, Chilion, Caelum , Cailyn, Cliona, Cholena, Cheslyn, Collin, Cayleen, Celaeno, Caylin, Colwyn, Calum, Chalina, Chailyn, Caliana, Callum, Clayne, Cline, Colm, Chisholm, Callen, Cailean, Ceylon, Caelan, Colon, Celine, Cleme Stats for the Name Caolan Caolan is currently not in the top 100 on the Baby Names Popularity Charts Caolan is currently not ranked in U.S. births