73%RatingSave Gender Feminine Usage English (Modern) Pronounced Pron. KAY-lin [key·IPA] Meaning & HistoryExpand Links Variant of Kaylyn. Related NamesFamily Tree·Details VariantsCailyn, Kaelyn, Kalyn, Kaylan, Kaylen, Kaylin, Kaylyn, Kaylynn, Cailin PopularityDetails Last ranked #989 in 2018 United States People think this name isRate·Details modern youthful natural wholesome refined complex Categories ends in -lyn, invented, modern English