1900 Census
Ferguson        John             48  Male    Ny      NE      Hamilton 1-Wd Aurora
Ferguson        John D Sr        70  Male    Scot    NE      Hamilton 3-Wd Aurora
Furgeson        Rosa B           16  Female  Ne      NE      Hamilton Monroe Pct
Ferguson        Samuel           56  Male    Cana    NE      Hamilton Union Pct
1910 Census
Ferguson        John D           57  Male    Ny      NE      Hamilton 1-Wd Aurora
Ferguson        Malcolm J        30  Male    Il      NE      Hamilton 1-Wd Aurora
Ferguson        Guy              34  Male    Il      NE      Hamilton Union Pct
1920 Census
Ferguson        Malcom J         38  Male    Il      NE      Hamilton 1-Wd; Aurora
Ferguson        John E           21  Male    In      NE      Hamilton Giltner; Union