| Birth | 8 Jul 1783 | Litchfield, Litchfield County, Connecticut | | | |
| Education | | at the Morris Academy - South Farms, Connecticut | | | |
| Residence | From 1802 to 1814 | at his brother Henry's urging and engaged in trade - Guilford, Vermont | | | |
| Occupation | From 1814 to 1818 | mercantile businessman in association with George Atherton - Brattleboro, Windham County, Vermont | | | |
| Occupation | From 1822 to 1837 | cashier of the Bank of Brattleboro - Brattleboro, Windham County, Vermont | | | |
| Residence | 31 Dec 1836 | Brattleboro, Windham County, Vermont | | | |
| Miscellaneous | 31 Dec 1836 | was mentioned in his brother Henry Seymour's will - Fairfield, Fairfield County, Connecticut | | | |
| Occupation | 1837 | president of the Bank of Battleboro - Brattleboro, Windham County, Vermont | | | |
| Death | 1854 | Brattleboro, Windham County, Vermont | | | |
| Marriage | | Mary ROOT | | | |