O'malley rhymes with:
omalley, malley, mally, omalley, alie, alley, alli, allie, balli, bally, braley, bralley, calley, cally, cavalli, challis, dalley, dally, delvalle, dillydally, finale, galley, galli, graley, halley, hally, lalley, lalli, lally, malley, mally, mccalley, mcgalley, mcnalley, mcnally, nalley, nally, omalley, raley, rally, ranalli, sallee, salley, sallie, sally, scally, shali, stahley, stahly, straley, talley, tally, vallee, valley, valli, verbally, vitale, vitaly, whalley
O'malley sounds like:
o'neal, o'neil, o'neill, omalley, omelia, oneal, oneall, oneil, oneill, onley, only