Rigsby rhymes with:
grigsby, riggsbee, bigsby, grigsby, riggsbee, bagsby, bigsby, grigsby, riggsbee, bagsby, bigsby, busby, buzby, causby, cosby, cozby, crosbie, crosby, gadsby, goldsby, grigsby, hornsby, kosbie, ormsbee, ormsby, passersby, polsby, riggsbee, silsbee, sommersby
Rigsby sounds like:
racioppi, rajiv, rakoff, rasp, raspy, recap, receive, recessive, recipe, recoup, rehkopf, reoccupy, reshape, rigby, riggsbee, rigsbee, rocap, rockoff, rogachev, rogoff, rosoff, rugby, rykoff, rysavy, ryzhkov