1840 Census Ferguson John OH Mercer; St Marys Furgoson Isaac OH Mercer; Union 1860 Census Fergason Eliza 17 Female Oh OH Mercer Washington Twp 1900 Census Ferguson Hanry 64 Male Oh OH Mercer Hopewell Twp 1910 Census Ferguson Charles 43 Male Oh OH Mercer Jefferson Twp 1920 Census Fergeson Walter 27 Male Oh OH Mercer Butler Ferguson Charles 53 Male Oh OH Mercer Jefferson Ferguson Jess 28 Male Oh OH Mercer Jefferson