1870 Census Ferguson William 35 Male Cana IA Allamakee Franklin Twp Ferguson John 57 Male Ny IA Allamakee Post Twp Ferguson Brad 27 Male Pa IA Allamakee Union Prairie Twp Ferguson Lewis 50 Male Norw IA Allamakee Union Prairie Twp 1900 Census Fergurson Harold 24 Male Mn IA Allamakee 3-Wd Lansing Fergusson Eugene 30 Male Ia IA Allamakee Jefferson twp Ferguson George 40 Male Ia IA Allamakee Linton Twp 1910 Census Ferguson George C 48 Male Ia IA Allamakee Linton Twp 1920 Census Ferguson Robert A 26 Male Ia IA Allamakee Franklin Ferguson George C 59 Male Ia IA Allamakee Linton