| Birth | 10 May 1837 | Sandlake, Rensselaer County, New York | | | |
| Miscellaneous | 1849 | was a member of the Northville Methodist Episcopal Church - Saratoga County, New York | | | |
| Residence | 10 Oct 1850 | with his parents and attended school - Northampton, Fulton County, New York | | | |
| Education | 1856 - 58 | Wesleyan Univeresity, leaving during his 2nd year - Middletown, Middlesex County, Connecticut | | | |
| Graduated | 1868 | Hygeio-Therapeutic Medical College - New York City, New York County, New York | | | |
| Residence | 1868 | at Lafayette Avenue near Nostrand Avenue and was in the trusses industry with brother Charles - Brooklyn, Kings County, New York | | | |
| Residence | 1869 | at 16 Walworth - Brooklyn, Kings County, New York | | | |
| Occupation | 1869 | partner with his brothers in the firm W Pomeroy & Co, trusses at 553 Broadway - New York, New York County, New York | | | |
| Miscellaneous | | was an inventor of improvements to trusses - New York City, New York County, New York | | | |
| Miscellaneous | 29 Jan 1870 | was the medical attendant on his mother's death certificate - Flatbush, Kings County, New York | | | |
| Residence | 1870 | Long Island, New York | | | |
| Occupation | 1870 | partner in the firm W Pomeroy & Co trusses at 553 Broadway - New York, New York County, New York | | | |
| Residence | 1871 | Long Island, New York | | | |
| Occupation | 1871 | partner in the firm W Pomeroy & Co, trusses at 544 Broadway - New York, New York County, New York | | | |
| Occupation | 1872 | partner in the firm W Pomeroy & Co trusses at 544 Broadway - New York, New York County, New York | | | |
| Death | 30 Jul 1873 | at Union Square on the Syracuse Northern Railroad due to an accident, suddenly - New York City, New York County, New York | | | |
| Burial | 1 Aug 1873 | at Greenwood Cemetery, in the Hayward/Pomeroy lot, section 81, lot 1818 - Brooklyn, Kings County, New York | | | |