1870 Census - Fayette County, Pennsylvania
Springhill TWP - 9 August 1870

  Herrington, Otho  28 M W Farm Lab.        Penn
  Elvira            25 F W Keeping House    Penn
  Minor              6 M W                  Penn
  Ann M.             3 F W                  Penn
  James              1 M W                  Penn

1880 Census - Fayette County, Pennsylvania
Springhill TWP - 4 June 1880

  18 --
  Harrington, Otho  W M 41      Laborer       Penn Penn Penn
  Elmira            W F 36 Wife Keeping House Penn Penn Penn
  Miner             W M 14 Son  At Home       Penn Penn Penn
  Annmeriah         W F 10 Dau                Penn Penn Penn
  James             W M  8 Son                Penn Penn Penn
  William L.        W M  6 Son                Penn Penn Penn
  Etta C.           W F  5 Dau                Penn Penn Penn
  Alexander         W M  3 Son                Penn Penn Penn
  George H.         W M  2 Son                Penn Penn Penn

1900 Census - Fayette County, Pennsylvania
Nicholson TWP - 4 June 1900

  24 24
  Harrington, Otho  Head W M Jun 1840 59 M 36      Penn Penn Penn Day Laborer
  Elvira J.         Wife W F Dec 1843 56 M 36 10 6 Penn Penn Penn

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

  52 52
  Herrington, Otho M.   Head M W 69 M1 45      Penn Penn Penn
  Elvira                Wife F W 66 M1 45      Penn Penn Penn
  William               Son  M W 37 S          Penn Penn Penn Cook at Boarding House

1920 Census - Fayette County, Pennsylvania
Nicholson TWP - 6 January 1920

  63 63
  Herrington, Elvira J.  Head F W 75 Wd Penn Penn Penn
  William L.             Son  M W 45 S  Penn Penn Penn Railroad Laborer

From Carol Herrington (caroljoyceherrington @ yahoo.com), granddaughter of James Sylvanus
Herrington:

Otho M. Herrington B. June 10, 1840 d. Feb 10, 1914
sp. Elvira Jane Provance b. Dec  25, 1843 d.May 20, 1924
 
l. Minor Herrington b. Nov 26, 1864 d. Jan 12, 1945 His daughter was Mary Elvira Herrington b. April
1888 d. Aug 1976 married to Harry Benjamin Provance b. Dec 29 or 28 1877 0r 1878 James M. Provance
son.
2. Ammerial (Annie) Herrington b. Sept 27, 1867 d. May 28, 1905
3. James Sylvanus Herrington (my grandfather) b. May 1, 1869 d. July 11, 1921
4. William Louis Herrington b. March 22, 1871 d. 1920?
5. Etta Carline Herrington b. Jan 20, 1873 or 1874
6. Charles Alexander Herrington b. Dec 28, 1875 d. March 17, 1895
7. George Franklin Herrington b. Dec 19, 1877 d. Feb 2, 1884
8. Plessy Jane Herrington b. June 19, 1879
9. Nora Bell Herrington b. June 23, 1882 d. Feb 13, 1884
10. Mary Alice Herrington b. feb 23, 1884 d. Feb 16, 1887