73%RatingSave Gender Feminine Usage English (Modern) Pronounced Pron. KAY-lin [key·IPA] Meaning & HistoryExpand Links Variant of Kaylyn. Related NamesFamily Tree·Details VariantsKaelyn, Kailyn, Kalyn, Kaylen, Kaylin, Kaylyn, Kaylynn, Cailin PopularityDetails Last ranked #984 in 2012 United States Categories currently out of the US top 1000, ends in -lyn, modern English