70%RatingSave Gender Feminine Usage English (Modern) Pronounced Pron. /ˈkeɪ.lɪn/ [key·simplify] Meaning & HistoryExpand Links Variant of Kaylyn. Related NamesFamily Tree·Details Rootskay + lynVariantsCaelan, Cailyn, Kaelyn, Kailyn, Kalyn, Kaylan, Kaylen, Kaylyn, Kaylynn, Cailin PopularityDetails Last ranked #994 in 2019 United States People think this name isRate·Details modern youthful natural wholesome refined Categories American sprinters, ends in -lin, isograms, modern English