Barwis = B620 Barnois = B652 Briggs = B620 Brown = B650 Cox = C200 Hall = H400 Hopkins = H125 McNeil = M254 Nugent = N253 Thom = T500 Thurber = T616 Sites: http://sites.rootsweb.com/~nedodge/transfer/soundexlist.htm (calculator) http://www.searchforancestors.com/utility/soundex.html (calculator) https://www.archives.gov/research/census/soundex (about soundex)