1850 Census - Fayette County, Pennsylvania
Georges TWP - 19 Aug 1850

  20 20
  John Gates    38 M Laborer 100 Penn
  Barbary       27 F             Penn
  Mary S.        7 F             Penn
  Margaret C.    5 F             Penn
  Phebe J.       3 F             Penn
  Bazil          1 M             Penn

1860 Census - Fayette County, Pennsylvania
Georges TWP - 18 Jul 1860

  1396 1392
  Jno Gates    49 M Day Lab.  500 100 Penn
  Barbara      42 F                   Penn
  Mary A.      18 F                   Penn
  Phebe J.     14 F                   Penn
  Bazzil       11 M                   Penn
  Jno C.        8 M                   Penn
  James H.      5 M                   Penn
  George W.     1 M                   Penn

1870 Census - Fayette County, Pennsylvania
Georges TWP - 19 July 1870

  425 429
  Gaits, John   59 M W Farmer 1500 228 Penn
  Barbra        50 F W Keeping House   Penn
  Bazil         21 M W                 Penn
  John          19 M W Farm Laborer    Penn
  James         12 M W                 Penn
  George        10 M W                 Penn
  B. Lee         9 F W                 Penn
  William        7 M W                 Penn
  John           6 M W                 Penn

1880 Census - Fayette County, Pennsylvania
Georges TWP - 2 June 1880

  49 49
  Gates, John    W M 66 Husb Farming       Penn Penn Penn
  Barbara        W F 53 Wife               Penn Penn Penn
  Canada         W M 23 Son  Stone Mason   Penn Penn Penn
  James          W M 21 Son  Farm Laborer  Penn Penn Penn
  George         W M 20 Son  Laying Brick  Penn Penn Penn
  Willie         W M 16 Son  Works on farm Penn Penn Penn
  Dunham, Lizzie W F 18 Serv Servant       Penn Penn Penn

From Jim Emme:
[The term RFTP refers to the Book Records From The Past, Funeral Home Records
Compiled by Kathryn Cooley Miller]

Moser, Levina (John, dec'd)
b. 4/6/1861, d 7/17/1943, 
Father: John Gates  Mother: Barbara Derry
bur. in Smithfield Pa.
RFTP, p 152, vol 2

John Kennedy Gates (Ellen dec’d)
10/11/1852–5/16/1934
Father John, Mother Barbara Derry
bur Maple Grove, Fairchance—
p 102 RFTP v 1

Mary Ramage (Washington)
1/29/1842–2/14/1923
Father John Gates, Mother Barbara Derry
bur Maple Grove
p 45 RFTP v 1

Kelley, Phoebe Ann (Henry dec’d)
3/2/1846–4/25/1945
Father John Gates, Mother Barbara Derry
bur Mt Moriah, Smithfield, PA
p 162 RFTP v 2

Gates, George W.
3/10/1859—6/6/1949
Father John, Mother Barbara Derry
bur Maple Grove
p 229, RFTP v 2

From Vance Funeral Home records (974.884 V3m):

Basil Gates (Elizabeth Roderick, dec'd)
12-19-1850 1-18-1929
Father: John Cummings
Mother: Barbara Rosanna Derry
Mt. Moriah Cem. Smithfield, Pa.