1900 Census Ferguson Samuel 58 Male Il IA Emmet Armstrong Grove Twp Fergerson John 56 Male Oh IA Emmet Iowa Lake 1910 Census Ferguson Sara 22 Female Ia IA Emmet Denmark Twp 1920 Census Farguson Claude 27 Male Ia IA Emmet 2-Wd; Estherville Ferguson William E 26 Male Ia IA Emmet Twelve Mile Lake