See also the related category greek.
Ath is not popular as a baby name for boys. It is not in the top 1000 names.
Baby names that sound like Ath include Aadhee, Ad (English and Dutch), Attwode, Atwode, Eudes (French), Odd (Scandinavian), Ot (Dutch), Ottó (Hungarian), Utt, Utte, Aadee, Aadey, Aadhey, Aadhi, Aadhie, Aadhy, Aadi (Indian), Aadie, Aady, and Aadye.
† approx English pronunciation for Ath: AE as in "at (AE.T)" ; TH as in "theme (TH.IY.M)"