Mcmullin rhymes with:
macmullen, mcmullan, macmullen, mcmullan, macmullen, mcmullan, macmullen, mcmullan, mullan, mullane, mullen, smullen
Mcmullin sounds like:
macmillan, macmullen, maximilian, mcmillan, mcmillen, mcmillian, mcmillin, mcmillion, mcmillon, mcmullan, mcmullen, muskmelon