1900 Census Ferguson James A 25 Male TX OK Greer Duke Twp Ferguson John W 44 Male In OK Greer Francis Twp Ferguson Horatio 36 Male In OK Greer Mangum 1910 Census Furgerson Howard M 47 Male In OK Greer 2-Wd Mangum 1920 Census Ferguson Frank 22 Male Ok OK Greer 2-Wd; Mangum Ferguson Howard 57 Male In OK Greer 2-Wd; Mangum Ferguson George H 30 Male TX OK Greer Raney