1900 Census Ferguson Simon 34 Male Ia SD Spink Antelope Twp Ferguson James 26 Male Ia SD Spink Cornwall Twp Ferguson Lucy 68 Female Ny SD Spink Northville Twp Ferguson George F 24 Male Ia SD Spink Three Rivers Twp 1910 Census Ferguson Beula 18 Female Ia SD Spink 2-Wd Redfield Ferguson George F 33 Male Ia SD Spink Groveland Twp Ferguson J H 48 Male Ny SD Spink Northsille Twp Ferguson Grace L 24 Female Wa SD Spink Sumner Twp Ferguson John H 45 Male Ia SD Spink Three Rvr Twp 1920 Census Ferguson Ray B 44 Male Ia SD Spink 2-Wd; Redfield Ferguson Harry E 46 Male Il SD Spink Harmony Twp Ferguson Jennie 50 Female Ia SD Spink Northville Ferguson Floyd P 27 Male Ia SD Spink Northville Twp Ferguson Alva 23 Male Ia SD Spink Three Rivers Twp Ferguson John 58 Male Ia SD Spink Three Rivers Twp