1900 Census Ferguson John W 40 Male Wi SD Bon Homme Albion Pct 1910 Census Ferguson John W 49 Male Wi SD Bon Homme Albion 1920 Census Ferguson Myrtle 26 Female Sd SD Bon Homme 3-Wd; Tyndall Ferguson Charles W 29 Male Sd SD Bon Homme Albion Pct Ferguson John W 59 Male Wi SD Bon Homme Albion Pct