1910 Census Ferguson Will 21 Male Tx OR Klamath Klamath Agency Ferguson Duglas A 48 Male Mi OR Klamath Linkville 1920 Census Ferguson Edward 62 Male In OR Klamath 1-Wd; Klamath Falls Ferguson Howard 48 Male Il OR Klamath 3-Wd; Klamath Falls Ferguson Ross J 47 Male Ks OR Klamath Klamath Indian Reservation