Obrian rhymes with:
o'brian, o'bryan, obryan, brian, brion, bryan, bryen, bryon, mcbrien, o'brian, o'bryan, obryan
Obrian sounds like:
o'beirne, o'brian, o'brien, o'bryan, o'byrne, obeirne, oberman, oberon, obrien, obryan, obyrne, offerman, offermann, operan, opperman, oppermann, ovarian, overman, overran, overrun