Caoilfinn \ca(oi)-lfinn, caoil-fi-nn\ as a girl's name is a variant of Caoilainn (Irish), and the meaning of Caoilfinn is "slender and white, fair or pure".

The baby name Caoilfinn sounds like Caoilfhionn, Calvina, Calvinne, Calvinna and Calvine. Other similar baby names are Caoilinn, Cailin, Cailynn and Caelainn.