1900 Census
Ferguson        J E              56  Male    Oh      KS      Ottawa Delphos
Ferguson        Alpho            27  Male    Ks      KS      Ottawa Garfield Twp
Ferguson        Robert           31  Male    In      KS      Ottawa Garfield Twp
Ferguson        Mary             81  Female  Oh      KS      Ottawa Stanton Twp
1910 Census
Ferguson        James E          65  Male    Oh      KS      Ottawa 1-Wd Minneapolis
Fergusson       Leo              12  Male    Ks      KS      Ottawa 3-Wd Minneapolis
Ferguson        Alpheus M        36  Male    Ks      KS      Ottawa Garfield Twp
1920 Census
Ferguson        James E          75  Male    Il      KS      Ottawa 1-Wd; Minneapolis; Concord Twp
Ferguson        Robert A         50  Male    In      KS      Ottawa 3-Wd; Minneapolis; Concord Twp
Ferguson        Alpheus M        46  Male    Ks      KS      Ottawa Garfield Twp