1900 Census Ferguson Archibald J 35 Male Scot IA Clay Logan Twp Ferguson Samuel 45 Male Wi IA Clay Logan Twp Ferguson George C 40 Male Ny IA Clay Spencer Twp 1910 Census Ferguson Samuel 58 Male Scot IA Clay Logan Twp Ferguson Allen 61 Male In IA Clay Summit Twp 1920 Census Ferguson Samuel 64 Male Scot IA Clay Logan Ferguson Edwin B 49 Male Ia IA Clay Summit