1910 Census
Ferguson        Elias            27  Male    In      ND      Hettinger Twp 132 Range 91
Ferguson        Nich             38  Male    Il      ND      Hettinger Twp 132 Range 91
1920 Census
Ferguson        John             39  Male    Il      ND      Hettinger 1-Wd; Mott
Ferguson        Thomas J         40  Male    Il      ND      Hettinger Cannonball