| Birth | 15 Apr 1803 | Pittsfield, Berkshire County, Massachusetts | | | |
| Religion | May 1823 | attended a Bible class every 2 weeks under the instruction of the pastor - Pittsfield, Berkshire County, Massachusetts | | | |
| Marriage | 2 Oct 1826 | Pittsfield, Berkshire County, Massachusetts - Aurelia O HOLLISTER | | | |
| Residence | 30 Jun 1830 | with his family - Pittsfield, Berkshire County, Massachusetts | | | |
| Will | 6 Mar 1834 | Columbia County, New York | | | |
| Miscellaneous | 9 Aug 1839 | represented the Whig Young Men of Columbia County Party as a delegate to the Senatorial Convention - Amcram, Columbia County, New York | | | |
| Residence | 1840 | and was engaged in mining - Ancram, Columbia County, New York | | | |
| Miscellaneous | 31 May 1842 | a bankrupt sale for a bed, pillows and travelling bags of his were advertised - Monroeville, Huron County, Ohio | | | |
| Miscellaneous | 1845 | with his father and brothers built a new furnace - Copake, Columbia County, New York | | | |
| Miscellaneous | Aft 1846 | built a substantial home on lands bordering the Pomeroy Iron Works furnace - Copake, Columbia County, New York | | | |
| Occupation | Bef 1849 | Father's assistant at musket factory. | | | |
| Occupation | 1 Nov 1849 | in partnership with his brothers in the firm L. Pomeroy's Sons after their father's death - Pittsfield, Berkshire County, Massachusetts | | | |
| Miscellaneous | 18 Nov 1849 | and his brothers under L. Pomeroy & Sons owned the oldest iron works in the northern states - Copake, Columbia County, New York | | | |
| Miscellaneous | 1850 | with his brothers & brother-inlaw reorganized Copake Iron Co and became the owners - Copake, Columbia County, New York | | | |
| Occupation | 11 Oct 1850 | iron master - Copake, Columbia County, New York | | | |
| Religion | 24 May 1852 | was elected senior warden of the organizing of Church of St. John - Copake, Columbia County, New York | | | |
| Miscellaneous | Bef 29 Jun 1852 | and brother-in-law Isaac Chesbrough, donated land to the St. John in the Wilderness Church - Copake, Columbia County, New York | | | |
| Occupation | Bef 29 Jun 1852 | co-owner of the Copake Iron Works with brother-in-law Isaac Chesbrough - Copake, Columbia County, New York | | | |
| Religion | 29 Jun 1852 | and brother-in-law Isaac Chesbrough, were the first wardens of St. John in the Wilderness Church - Copake, Columbia County, New York | | | |
| Description | 5 May 1853 | weighing about 370 pounds - Copake, Columbia County, New York | | | |
| Residence | 13 Aug 1853 | Copake, Columbia County, New York | | | |
| Occupation | Oct 1853 | owners of the Copake Iron Works - Copake, Columbia County, New York | | | |
| Death | 23 Oct 1853 | apoplexy - Copake, Columbia County, New York | | | |
| Burial | Aft 23 Oct 1853 | in the Church of Saint John in the Wilderness Cemetery - Copake, Columbia County, New York | | | |