1860 Census Ferguson Betsey 12 Female Norw WI St Croix 2-Wd Hudson Ferguson Levi 61 Male Norw WI St Croix Coyton 1870 Census Furguson Olias 9 Male Wi WI St Croix Rush Rvr 1900 Census Fergeson William 37 Male Mi WI St Croix 2-Wd Hudson Fergusson Henry 26 Male Vt WI St Croix 3-Wd Hudson 1920 Census Ferguson Henery 44 Male Vt WI St Croix 3-Wd; Hudson