Meaning and name origin
Ilyse \i-ly-se\ as a girl's name is of French, Hebrew and Latin origin, and the meaning of Ilyse is "God is my oath". Ilyse is a variant of Elise (French, Hebrew): short form of Elisabeth. Also a variant of Elysia (Latin): from Elysium, which in mythology is the home of the blessed, known as the "Elysian fields".
Ilyse is not a popular first name for females and an equally uncommon surname or last name for all people (Source: 2000 U.S. Population Census).
Displayed below is a comparison of the popularity of the girl name Ilyse and its variant forms. Popular variation forms ranked in the Top 1000/100 are Elise (#166), Elyse (#611), Elysia and Elease. (Source: 2014 Birth Name Statistics).
Ilyse is also pronounced similarly to Alise, Allyse, Alyce▼, Alys, Alyse, Alyss, Alysse, Eloyse, Elysse and Ilysse. Other suggested similar baby names are Ilisa, Ilke, Illsa, Ilsa, Ilsae, Ilse, Ilysa, Ilysah, Ilysia and Ilyssa. These names tend to be more commonly used than Ilyse.