1900 Census Furguson Frank 46 Male Il IA Dickinson Center Grove Twp Ferguson Thomas O 38 Male Wi IA Dickinson Westport Twp 1910 Census Ferguson Frank 55 Male Cana IA Dickinson Center Grove Twp Ferguson Oscar F 50 Male Ia IA Dickinson Lloyd Twp 1920 Census Farguson Elihu W 64 Male Ia IA Dickinson Lloyd Ferguson Frank H 64 Male Cana IA Dickinson Spirit Lake; Center Grove