John D. Fair
- Born: 1828, Clearfield, Butler County, Pennsylvaina
- Died: 26 Apr 1895, Beaver Falls, Bever County, Pennsylvania at age 67
- Buried: Presbyterian Church of Prospect Cemetery, Prospect, Butler County, Pennsylvania
Noted events in his life were:
• Census, 1850, Pennsylvania, Butler County, Clearfield Township, Image 7 of 49. Age 21 yrs., farmer.