James Davidson was born 28 July 1856 in Oxford, Ohio, United States to Robert Parks Davidson (1820-1868) and Jane Sarah Claybaugh (1825-1899) and died 24 November 1901 Berwick, Maine, United States of unspecified causes.
Children
| Name | Birth | Death | Joined with |
| Helen Buffum Davidson (1885-1982) | 15 September 1885 Berwick, Maine, United States | 3 November 1982 Exeter, New Hampshire, United States | Bartlett Walton (1884-1951) |
Siblings
| Name | Birth | Death | Joined with |
| James Thomas Davidson (1856-1901) | 28 July 1856 Oxford, Ohio, United States | 24 November 1901 Berwick, Maine, United States | Sarah Elizabeth Burleigh (1863-1929) |