73%RatingSave Gender Feminine Usage English (Modern) Pronounced Pron. /ˈkeɪ.lɪn/ [key·simplify] Meaning & HistoryExpand Links Variant of Kaylyn. Related NamesFamily Tree·Details Rootskay + lynVariantsCaelan, Kaelyn, Kailyn, Kalyn, Kaylan, Kaylen, Kaylin, Kaylyn, Kaylynn, Cailin PopularityDetails Last ranked #985 in 2012 United States People think this name isRate·Details modern youthful natural wholesome refined complex Categories currently out of the US top 1000, ends in -lyn, modern English