1900 Census Ferguson James G 38 Male Ca CA Lake 3-Twp Ferguson Louise J 56 Female Mo CA Lake 5-Twp 1910 Census Ferguson John M 43 Male Ca CA Lake 5-Twp Furguson Minerva 35 Female Ca CA Lake 5-Twp Furguson William 40 Male Ca CA Lake 5-Twp Furgeson Martha A 66 Female In CA Lake Upper Lake Pct 1920 Census Ferguson James 71 Male Scot CA Lake Kelseyville Ferguson Paul F 31 Male Mt CA Lake Kelseyville Ferguson Louisa J 75 Female Mo CA Lake Lakeport; 4-Twp Ferguson Martha A 76 Female In CA Lake Upper Lake