1870 Census - Butler County, Pennsylvania
Connoquenessing - 14 June 1870

  111 113
  Thomas Gray      50 M W Farmer         Penn
  Ellen M. Gray    39 F W                Penn
  Thomas D. Gray   13 M W                Penn
  Sarah H. Gray    12 F W                Penn
  112 114
  Martha Gray      74 F W Keeping House  Penn
  114 116
  Jacob N. Ziegler    33 M W Farmer 5000 1000 Penn
  Elizabeth           28 F W                  Penn
  Samuel A.            9 M W                  Penn
  Mary A.              7 F W                  Penn
  Zens E.              5 M W                  Penn
  Daniel W.            1 M W                  Penn
  Henry C. Gray       20 M W Farm Labourer    Penn

1880 Census - Butler County, Pennsylvania
Connoquenessing - 18 June 1880

  1 1
  Gray, Thomas   W M 60      Farmer Penn Penn Penn
  Ellen          W F 49 Wife        Penn Germ Penn
  Sarah H.       W F 22 Dau         Penn Penn Penn
  2 2
  Gray, Henry    W M 32      Farmer Penn Penn Penn
  Nancy          W F 20 Wife        Penn Penn Penn
  Sarah D.       W F  4 Dau         Penn Penn Penn
  Ellen          W F  1 Dau         Penn Penn Penn
  Shah, Thomas   W M 72 Bdr  Pauper Penn Penn Penn

1900 Census - Allegheny County, Pennsylvania
Richland TWP - 22 June 1900

  169 170
  Grey, Henry    Head W M Nov 1850 49 W Penn Penn Penn Laborer
  Rosa           Dau  W F Dec 1883 16 S Penn Penn Penn
  Chrisa         Son  W M Jun 1886 13 S Penn Penn Penn
  Bella          Dau  W F Mar 1891  9 S Penn Penn Penn
  Cameron        Son  W M Nov 1893  6 S Penn Penn Penn

1910 Census - Allegheny County, Pennsylvania
Richland TWP

  47 49
  Gray, Henry C.   Head  M W 56 Wd  Penn Penn Penn
  Cameron          Son   M W 15 S   Penn Penn Penn

Cameron married Elotta ?, Rose, Stella married a big wheel in the Youngstown Tube and Steel company,