If the Frank Williams listed in Nashville meets all criteria except for the names of his wives, would it be too much to assume that he had two wives - one named Henrietta and another named Fanny - if not simultaneously but perhaps sequentially? This would certainly not be an uncommon situation. I came across this sometimes when comparing what a couple reported in 1866 for their cohabitation record and what was shown four years later on the 1870 census. Could be . . .