What does the name Cailyn mean? The meaning of the name Cailyn is Pure. The origin of the name Cailyn is American. This is the culture in which the name originated, or in the case of a word, the language.
Alternate spellings: Kailyn, Cailin, Cayelynn
People who like the name Cailyn also like: Adalyn
, Ashlyn Caleb
Name Notes: form of Caitlyn