75%RatingSave Gender Feminine Usage English (Rare) Pronounced Pron. /ˈkeɪ.lɪn/ [key·simplify] Meaning & HistoryExpand Links Variant of Kaylyn. It also coincides with the Irish word cailín meaning "girl". Related NamesFamily Tree·Details Rootskay + lynVariantsCaelan, Cailyn, Kaelyn, Kailyn, Kalyn, Kaylan, Kaylen, Kaylin, Kaylyn, Kaylynn People think this name isRate·Details youthful natural wholesome delicate refined strange Categories ends in -lin, rare English, variants, women, youth