58%RatingSave Gender Masculine Usage Welsh Pronounced Pron. /ˈɪl.ar/ , /ˈiːl.ar/ [key ·simplify] Meaning & HistoryExpand Links Welsh form of Hilarius. This is the name of a 6th-century Welsh saint. Related NamesFamily Tree ·Details Roothilaros Other 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) Ellar (Scottish) Ealar (Scottish Gaelic) Hilario (Spanish) Categories emotions feelings happiness joy saints Share on Facebook Share on Twitter Entry updated December 23, 2025