1900 Census - Fayette County, Pennsylvania
Georges TWP - 12 June 1900

  109 112
  Hart, Oliver    Head W M Nov 1859 41 M 17     Penn Penn Penn Coke Yard Leveler
  Elizabeth       Wife W F Jan 1865 35 M 17 9 7 Penn Penn Penn
  Maggie          Dau  W F Oct 1884 15 S        Penn Penn Penn
  Charles         Son  W M Aug 1888 11 S        Penn Penn Penn
  Isa M.          Dau  W F Jun 1890  9 S        Penn Penn Penn
  Fred            Son  W M Jan 1892  8 S        Penn Penn Penn
  Oliver          Son  W M Jul 1895  4 S        Penn Penn Penn
  David           Son  W M Jun 1897  2 S        Penn Penn Penn
  Mary E.         Dau  W F Jan 1899  1 S        Penn Penn Penn

1910 Census - Fayette County, Pennsylvania
Georges TWP - 24 April 1910

  125 128
  Hart, Oliver   Head M W 52 M1 27      Penn Penn Penn Powder Works Laborer
  Elizabeth      Wife F W 45 M1 27 13 9 Penn Penn Penn
  Charles J.     Son  M W 21 S          Penn Penn Penn Store Clerk
  Isa M.         Dau  F W 19 S          Penn Penn Penn
  Frederick F.   Son  M W 17 S          Penn Penn Penn
  Oliver E.      Son  M W 14 S          Penn Penn Penn
  David H.       Son  M W 12 S          Penn Penn Penn
  Mary E.        Dau  F W 11 S          Penn Penn Penn
  John R.        Son  M W  9 S          Penn Penn Penn
  Hazel I.       Dau  F W  4 S          Penn Penn Penn

1930 Census - Fayette County, Pennsylvania
Georges TWP - 4 April 1930

  63 63 Mountain Road
  Hart, Elizabeth    Head 1500 F W 64 Wd   Penn Penn Penn
  Frederick          Son       M W 38 S    Penn Penn Penn Coal Mine Laborer
  Oliver             Son       M W 34 S    Penn Penn Penn Coal Mine Laborer
  David              Son       M W 32 M 29 Penn Penn Penn Coal Mine Laborer
  Mae                DLaw      F W 31 M 28 Penn Penn Penn
  Helen              Dau       F W 19 S    Penn Penn Penn
  Alice              Dau       F W 14 S    Penn Penn Penn