See also the related forms, the English Maya and the English Sue.
Sumaya is not commonly used as a baby girl name. It is not in the top 1000 names.
Baby names that sound like Sumaya include Sacmis, Saima, Saimah, Saimma, Samah, Samma, Sammah, Sanaah, Sanah, Sanaz, Sanceska, Sancha, Sanchah, Sanchie, Sanciah, Sancie, Sanctia, Sang Hee, Sango, and Sanja.
† approx English pronunciation for Sumaya: S as in "see (S.IY)" ; UW as in "two (T.UW)" ; M as in "me (M.IY)" ; Y as in "you (Y.UW)" ; AH as in "mud (M.AH.D)"