1850 Census
Ferguson     Juan            27  USA     NM      Rio Arriba; no twp listed
1910 Census
Ferguson        Harbert R        25  Male    Mn      NM      Rio Arriba Espanola
Ferguson        W H              65  Male    Mo      NM      Rio Arriba Jicarilla Apache Indian Reserv
1920 Census
Fergusson       William H        74  Male    Mo      NM      Rio Arriba Jicarilla Indian Reservation
Furgeson        Jack             30  Male    Pa      NM      Rio Arriba Vallecitos

NEW MEXICO -- 1850 Census -- Rio Arriba
FERGUSON         Juan    Rio          141