I have found, in the 1880 census the following listing: Census Place: Ellsworth, Hancock, Maine Source: FHL Film 1254480 National Archives Film T9-0480 Page 86C Relation Sex Marr Race Age Birthplace Oscar A. TOMPKINS Self M W W 32 ME Occ: Tin Plate Worker Fa: ME Mo: ME Taylor D. TOMPKINS Son M S W 7 ME Occ: At School Fa: ME Mo: ME Isaiah W. TOMPKINS Son M S W 4 ME Occ: At Home Fa: ME Mo: ME R. A. TOMPKINS Mother F S W 55 ME Occ: Housekeeper Fa: ME Mo: ME I don't know where your Jacob would have been at this time if he didn't die until 1920. Hope this helps. FYI, Ellsworth is about 35 milies south of Bangor. Maureen in Bangor Maine