See also the related category american.
Onessa is not popular as a baby name for girls. It is listed outside of the top 1000 names.
Baby names that sound like Onessa include Onesha, Oneshah, Oneshia, Onesia, Wajiha (Arabic), Wajihah (Arabic), Wakako (Japanese), Wakea, Wakeah, Wakeisha, Wakeishah, Wakesha, Wakesiah, Wakysha, Washea, Washeah, Oneshea, Onesheah, Oneshiah, and Weayaya (Siouan).
† approx English pronunciation for Onessa: W as in "we (W.IY)" ; AH as in "mud (M.AH.D)" ; S as in "see (S.IY)"