See also the related category greek.
Ilio is uncommon as a baby boy name. It is not in the top 1000 names.
Baby names that sound like Ilio include Iejiel, Elia (Dutch, German, Italian, and Zuni), Elihu (French, Scandinavian, and Yiddish), Elois, Ilihia, Iuleo, Iulio, Ilia (Russian), Ilie (Romanian), Ilija (Slavic), Iliya (Russian and Slavic), Illya (English), Iloe, Ilow, Ilowe, Ilya (Russian and Czech), Elay, Eli (English, Hebrew, and Yiddish), Eloy (English and Spanish), and Elu.
† approx pronunciation for Ilio: IH as in "it (IH.T)" ; L as in "lay (L.EY)" ; IY as in "eat (IY.T)" ; OW as in "oak (OW.K)"