1860 Census
Ferguson     Jno W           33  Male    Cana   NH      Sullivan Charlestown
1870 Census
Ferguson     John W          44  Male    Cana   NH      Sullivan Charlestown
1910 Census
Fergusson       Edward E         44  Male    Vt      NH      Sullivan Claremont Twp
Furgeson        Ann J            65  Female  Irel    NH      Sullivan Langdon
1920 Census
Ferguson        Lucia R          46  Female  In      NH      Sullivan Claremont