53%RatingSave Gender Masculine Usage Scottish Gaelic [1] Meaning & HistoryExpand Links Scottish Gaelic form of Hilary. Related NamesFamily Tree·Details RoothilarosVariantEllarOther Languages & CulturesHilarion(Ancient Greek) Hilarius(Ancient Roman) Ilarion(Bulgarian) Hilary(English) Hillar(Estonian) Ilari, Lari(Finnish) Hilaire(French) Ilario(Italian) Ilarion(Macedonian) Ilariy, Illarion(Russian) Hilario(Spanish) Ilar(Welsh) Surname DescendantsMcKellar(Scottish) MacEalair(Scottish Gaelic) Categories emotions, feelings, happiness Sources & References MacFarlane, Malcolm. The School Gaelic Dictionary. Stirling: Eneas Mackay, 1912, page 145.