71%RatingSave Gender Masculine Usage Irish Mythology Meaning & History From Old Irish cáel meaning "slender". In Irish legend Cáel was a warrior of the Fianna and the lover of Créd. Related NamesFamily Tree·Details RootcáelOther Languages & CulturesCaelan, Kaolin, Kaylan, Kaylen(English) Caolán, Keelan(Irish) User SubmissionCael PopularityDetails Last ranked #948 in 2012 United States People think this name isRate·Details classic natural wholesome strong refined strange Categories sizes, thinness