Hilary \hi-la-ry\ as a boy's name (also used as girl's name Hilary), is pronounced ee-LAH-ree. It is of Latin origin, and the meaning of Hilary is "cheerful, happy". From the same root as "hilarious". The name of more than 30 saints. Nowadays, more common as a girl's name.

Hilary has 14 variant forms: Helario, Hilaire, Hilar, Hilarid, Hilarie, Hilario, Hilarion, Hilarius, Hillary, Hillery, Hilliary, Hilorio, Ilario and Illario.

For more information, see also related names Alaire and Ellery.

Baby names that sound like Hilary are Hiller, Helier, Heller, Hillyer and Hillier.