1860 Census
Ferguson     Calvin          41  Male    Ny     IA      Winneshiek Burr Oak Twp
Ferguson     Jered           61  Male    Ct     IA      Winneshiek Burr Oak Twp
Ferguson     Lewis           28  Male    In     IA      Winneshiek Burr Oak Twp
Ferguson     Major M         43  Male    Ny     IA      Winneshiek Burr Oak Twp
Fergoson     Nicholas N      64  Male    Ny     IA      Winneshiek Frankville Twp
Furginson    Earmond         42  Male    Norw   IA      Winneshiek Springfield Twp
1870 Census
Ferguson     Annice          74  Female  Ct     IA      Winneshiek Burr Oak Twp
Ferguson     Jared           73  Male    Ct     IA      Winneshiek Burr Oak Twp
1900 Census
Forgerson       Samuel           42  Male    Ct      IA      Winneshiek Burr Oak Twp
Ferguson        Calvin V         82  Male    Ia      IA      Winneshiek Canoe Twp

"WINNESHIEK CO, IA" 1880 CENSUS

"FURGASON," Levy 37 Norway
"FURGASON," Harriet 36 Norway
"FURGASON," Oley 6 Norway
"FURGASON," Oster 3 Norway
"FURGASON," Joannock? 1 Wisc.