Mirielle \m(i)-rielle, miri(el)-le\ as a girl's name has the meaning "wonderful; peace; prosperous; miraculous; to admire". Mirielle is pronounced as Miy-Riy-EHL. Mirielle is used mostly in the English language. It is of Provençal, Latin, and Hebrew origin. Mirielle is a derivative of Mira, and the Hebrew name Miriam.