| Birth | May 1858 | Kentucky, United States | | | |
| Residence | 1860 | District No 2, Mason, Kentucky, United States | | | |
| Residence | 1870 | Kentucky, United States | | | |
| Marriage | From 1880 to 1881 | Laura Matilda Rednour | | | |
| Residence | 1880 | Hendersons, Lewis, Kentucky, United States | | | |
| Residence | 1900 | Magisterial District 7, Henderson Precinct 7 (North, East Part), Lewis, Kentucky, United States | | | |
| Residence | 1920 | Henderson, Henderson, Kentucky, United States | | | |
| Death | 15 Apr 1930 | Lewis, Kentucky, United States | | | |
| Burial | 16 Apr 1930 | Fearisville, Lewis, Kentucky, United States | | | |
| FIND-A-GRAVE | | https://www.findagrave.com/memorial/228587210/james-thomas-mason | | | |