See also the related category greek.
Ilyse is not often used as a baby girl name. It is not in the top 1000 names.
Baby names that sound like Ilyse include Elise (German, Dutch, English, French, and Scandinavian), Ilca, Ilise (English), Ilka (Hungarian and Slavic), Ilkah, Ilkeh, Ilki, Illa (Hebrew), Ilsa (German), Ilse (German and Dutch), Ilyah, Ilysa (English), Eleigh, Elga (English), Elix, Eloise (English, French, and Spanish), Elyse (English and Latin), Ilea, Ileah, and Ileesha.
† approx English pronunciation for Ilyse: IH as in "it (IH.T)" ; L as in "lay (L.EY)" ; IY as in "eat (IY.T)" ; S as in "see (S.IY)"