What does the name Caitlyn mean? The meaning of the name Caitlyn is Pure. The origin of the name Caitlyn is Irish. This is the culture in which the name originated, or in the case of a word, the language.
Alternate spellings: Kaitlynn
People who like the name Caitlyn also like: Abigail
, Grace Caleb
Name Notes: American spelling of Irish name, Caitlin. Pronounced "Cotch-LEEN" in Irish or "KATE-lin" in English. Caitlyn Jenner, US Olympic Athlete and reality TV star.