From Jim Emme:

Marriage record of FC, PA: Bk 4, pg 935, William H.
Hardy, age 25, born FC, PA, and residing in Dunbar
Twp; son of George and Amy Hardy, married Lizzie M.
Swaney, age 24, born also in FC, PA, and residing in
Smithfield; dau of Alpheu and Lucinda Swaney, on 25
Sept 1887 in Percy, PA.

Hardy, Elizabeth May 5/1/1862-4/21/1921, f: Alpheus 
Swaney, m: Lucinda Farr; bur in Percy cem, Shady 
Grove, PA----RFTP vol 1, pg 35 

Hardy, William Henry, 6/9/1861–9/10/1929, f: George; 
m: Arie Haines; bur in Percy cem—RFTP, vol 1, pg 80 

1900 Census - Fayette County, Pennsylvania
North Union TWP - 20 June 1900

  487 497
  Hardy, William H.   Head W M Jun 1861 38 M 13     Penn Penn Penn Locomotive Engineer
  Lizzie M.           Wife W F May 1863 37 M 13 6 5 Penn Penn Penn
  Florence            Dau  W F Jun 1888 11 S        Penn Penn Penn
  Hazel               Dau  W F Jan 1891  9 S        Penn Penn Penn
  Alferetta           Dau  W F Feb 1893  7 S        Penn Penn Penn
  Gibson              Son  W M Jul 1895  4 S        Penn Penn Penn
  Frank               Son  W M Aug 1897  2 S        Penn Penn Penn
  Thorp, Mathilda     Serv W F Jul 1883 16 S        Penn Penn Penn

1910 Census - Fayette County, Pennsylvania
Georges Dist 31 12 May 1910  Sh 22A 

  408/412
  Hardy, William C.   Head 48 M 22 Penn Penn Penn  Merchant, Motor works 
  Lizzie M.           Wife 48 M 22 Penn Penn Penn     
  Florence M.         Dau  20 S    Penn Penn Penn
  Alforetta           Dau  17 S    Penn Penn Penn
  Gibson R.           Son  14 S    Penn Penn Penn
  Frank C.            Son  12 S    Penn Penn Penn
  George A.           Son   9 S    Penn Penn Penn

1920 Census - Fayette County, Pennsylvania
Georges Dist 37 29-30 Jan 1920 Sh 26A 

  471/479
  Hardy, William H.  Head 58 M Penn Penn Penn Machinist coal mines
  Elizabeth M        Wife 58 M Penn Penn Penn
  Hazel M.           Dau  28 S Penn Penn Penn Cash lady                  “ 
  Gibson R.          Son  24 S Penn Penn Penn Electrician, coal mine “ 
  George A.          Son  19 S Penn Penn Penn Miner                        “