What does Mireille mean?
Mireille \m(i)-reille, mire(il)-le\ as a name for girls. Mireille's roots are Latin, Slavic, Hindi and French, and Mireille means "wonderful; peace; prosperous; admire". Mireille is a form of Mira (Latin, Slavic, Hindi): variant of Myra and Miranda. Mireille is also a variation of Mireio (French): from mirar.
Mireille is a somewhat prominent first name for women (#2937 out of 4276, Top 69%) but an unusual surname for both adults and children. (2000 U.S. Census)
Below is a charted comparison of the usage of the girl name Mireille and affiliated names. Prominent varying forms of Mireille (#unlisted) are Mira (#613 a year ago), Mireya and Myra (#638). These girl names were at the peak of their popularity during the years 1880-1889 (usage of 0.269%) and are almost as popular today (usage 0.2497%, down 7.2%), but with the forms Mireya and Myra becoming less fashionable. Mira (#613) is the most fashionable baby name in this compilation. (Top 1000 Birth Names Records, 2014)
A suggested similar baby name is Marelle. This name tends to be less frequently used than Mireille.