76%RatingSave Gender Masculine Usage Irish Pronounced Pron. /ˈkiː.lˠaːnˠ/ [key·simplify] Meaning & History From Irish caol meaning "slender" combined with the diminutive suffix -án. Related NamesFamily Tree·Details RootcáelVariantKeelanOther Languages & CulturesCaelan, Kaylan, Kaylen, Kaolin(English) Cáel(Irish Mythology) User SubmissionCaolan PopularityDetails Last ranked #973 in 1999 England and Wales Last ranked #83 in 2023 Northern Ireland Categories sizes, thinness