1860 Census
Fergerson    Danl H          44  Male    Ny     WA      Skamania Cascades P O
Ferguson     James L         30  Male    Mi     WA      Skamania Cascades P O
1900 Census
Ferguson        William J        47  Male    Cana    WA      Skamania Chenowith Pct
1920 Census
Ferguson        George E         37  Male    Co      WA      Skamania Underwood