Found an Anna E. Davenport (age 18) living down the street from Joseph Provance in 1870.  Possible
Joseph's future wife.

1880 Census - Fayette County, Pennsylvania
Nicholson TWP - 3 June 1880

  42 42
  Provance, Joseph H.  W M 34     Laborer Penn Penn Penn
  Anne E.              W F 29 Wife        Penn Penn Penn
  Lennora              W F  8 Dau         Penn Penn Penn

1 July 1887
Official Register of the United States, containing a list of the officers and employees in the
civil, military, and naval service on the first of July, 1887; Vol 1, page 335

War Department
Engineer Department at Large

Masons:
Joseph H. Provance  born: Pennsylvania, appointed from Pennsylvania, appointed to Greensborough, Pa,
paid $2.25
James Provance  born: Pennsylvania, appointed from Pennsylvania, appointed to Greensborough, Pa, paid
$2.75

 
1900 Census - Fayette County, Pennsylvania
Nicholson TWP - 5 June 1900

  34 34
  Provance, Joseph H.  Head W M Aug 1846 53 M 29     Penn Penn Penn Stone Mason
  Ann E.               Wife W F Oct 1850 49 M 29 3 3 Penn Penn Penn
  Pinder, Nora         Dau  W F Mar 1872 28 M  6 2 2 Penn Penn Penn
  Lester               Son  W M Nov 1886 13 S        Penn Penn Penn
  Paul R.              GSon W M Oct 1894  5 S        Penn Engl Penn
  Hellen W.            GDau W F Oct 1897  2 S        Penn Engl Penn

1910 Census - Fayette County, Pennsylvania
Nicholson TWP - 15 April 1910

  36 36
  Provance, Joseph H.  Head M W 69 M1   Penn Penn Penn Grocery Merchant
  Anneliza             Wife F W 59 M1   Penn Penn Penn
  Gray, Catharine      GDau F W  3 S    Penn Penn Penn

1920 Census - Fayette County, Pennsylvania
Nicholson TWP, New Geneva - 5 January 1920

  33 33 Soouth Street
  Provance, Joseph H.   Head M W 72 M Penn Penn Penn Store-keeper, Grocery
  Ann E.                Wife F W 69 M Penn Penn Penn
  Gray, Katherine A.    GDau F W 13 S Penn Kent Penn

1922 - The Morning Herald, Uniontown, PA. p.2

				Joseph H. Provans

  Joseph H. Provans aged 76 years died Tues. afternoon Jan 3, 1922 in home 
  in New Geneva.  Wife Anna E. 3 children: Nora Gray (New Geneva), Miss Lee 
  Crow(Martin), Lester H. Provans in Monongahela City.  Brothers & Sisters, 
  Benjamin (Kansas), Theran, Rachel Herzler(Hopwood), Alvira Herrington 
  (High House).  Presbyterian Church, Masontown.