1900 Census Ferguson Erastus 61 Male Oh SD Aurora 3-Wd Plankinton Ferguson Winfild 52 Male Oh SD Aurora Patten Twp 1910 Census Furgeson Carrie E 46 Female Mn SD Aurora Plankinton Furgeson Frank C 55 Male Oh SD Aurora Plankinton 1920 Census Fergeuson Elsia 80 Male Oh SD Aurora 3-Wd; Plankinton Ferguson Harry H 23 Male Ne SD Aurora 3-Wd; Plankinton Fergurson Carry 53 Female Mn SD Aurora South Dakota Training School Ferguson William 14 Male Sd SD Aurora South Dakota Training School