75%RatingSave Gender Feminine Usage English (Modern) Pronounced Pron. KAY-lin [key·IPA] Meaning & HistoryExpand Links Variant of Kaylyn. Related NamesFamily Tree·Details VariantsCailyn, Kaelyn, Kailyn, Kaylin, Kaylyn, Kaylynn, Cailin PopularityDetails Last ranked #982 in 2004 United States People think this name isRate·Details youthful natural wholesome refined Categories ends in -lyn, modern English