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, Kailyn, Kalyn, Kaylan, Kaylen, Kaylin, Kaylyn, Cailin PopularityDetails Last ranked #894 in 2016 United States People think this name isRate·Details modern youthful natural wholesome refined complex Categories combinations, ends in -lynn, modern English, Sims 2 characters, Sims 3 characters