| Birth | 2 Jun 1855 | Newark, Essex County, New Jersey | | | |
| Residence | 1875 | at 99 Spruce and was a job printer at 784 Broad - Newark, Essex County, New Jersey | | | |
| Residence | 1876 | at 99 Spruce and was a job printer with Pomeroy & Bristol real estate at 778 Broad - Newark, Essex County, New Jersey | | | |
| Graduated | 1877 | Rutgers College - New Brunswick, Middlesex County, New Jersey | | | |
| Residence | 1877 | at 99 Spruce and was a job printer at 266 Halsey - Newark, Essex County, New Jersey | | | |
| Miscellaneous | 1878 | and his father bought out the firm of R B Dovell and established I. Pomeroy Company - Newark, Essex County, New Jersey | | | |
| Occupation | Mar 1879 | partner with his father in the firm Pomeroy & Son at 63 Maiden Lane - New York, New York County, New York | | | |
| Residence | 1879 | at 99 Spruce and was with the firm Pomeroy & Son manufacturers of inks, &c at 266 Halsey - Newark, Essex County, New Jersey | | | |
| Occupation | 1 Jun 1880 | sealing wax manufacturer - Newark, Essex County, New Jersey | | | |
| Residence | 1 Jun 1880 | with his father and siblings at 99 Spruce Street - Newark, Essex County, New Jersey | | | |
| Residence | 1 Jun 1880 | with his father and siblings at 99 Spruce Street - Newark, Essex County, New Jersey | | | |
| Residence | 1880 | New Jersey | | | |
| Occupation | 1880 | ink merchant with his father in the firm Pomeroy & Son at 63 Maiden Lane - New York, New York County, New York | | | |
| Residence | 1880 | at 99 Spruce and was partner of Pomeroy & Son at 266 Halsey - Newark, Essex County, New Jersey | | | |
| Residence | 1882 | at 107 Spruce and was a manufacturer of inks, etc with Pomeroy & Sons at 266 Halsey - Newark, Essex County, New Jersey | | | |
| Marriage | 16 Jun 1885 | Grace Helena RIKER | | | |
| Residence | 1885 | at 107 Spruce and was manufacturer of inks, etc with Pomeroy & Sons at 266 Halsey - Newark, Essex County, New Jersey | | | |
| Residence | 1886 | at 107 Spruce and was manufacturer of inks, etc, with Pomeroy & Sons at 266 Halsey - Newark, Essex County, New Jersey | | | |
| Residence | 1887 | at 18 Pennington and was manufacturer of inks, etc with Pomeroy & Sons at 266 Halsey - Newark, Essex County, New Jersey | | | |
| Residence | 1889 | at 18 Pennington and was a manufacturer of inks, etc, with Pomeroy & Sons at 264, 266 Halsey - Newark, Essex County, New Jersey | | | |
| Residence | 1890 | at 18 Pennington and was a manufacturere of inks, etc, at Pomeroy & Sons at 264, 266 Halsey - Newark, Essex County, New Jersey | | | |
| Residence | 1891 | at 18 Pennington and was a manufacturer of inks, etc with Pomeroy Brothers at 264, 266 Halsey - Newark, Essex County, New Jersey | | | |
| Residence | 1893 | at 18 Pennington and was a manufacturer of inks, etc with Pomeroy Brothers at 264, 266 Halsey - Newark, Essex County, New Jersey | | | |
| Residence | 1894 | at 18 Pennington and was partner in Pomeroy Brothers - Newark, Essex County, New Jersey | | | |
| Residence (family) | 1895 | with their family - Newark, Essex County, New Jersey - Grace Helena RIKER | | | |
| Residence | 1895 | at 190 Mt Pleasant Avenue - Newark, Essex County, New Jersey | | | |
| Occupation | 1895 | manufacturer of inks with Pomeroy Brothers at 310 Passaic Avenue - Harrison, Hudson County, New Jersey | | | |
| Residence | 1896 | at 190 Mt Pleasant av - Newark, Essex County, New Jersey | | | |
| Occupation | 1896 | partner at Pomeroy Brothers at 310 Passaic Avenue - Harrison, Hudson County, New Jersey | | | |
| Residence | 1896 | at 190 Mt Pleasant av - Newark, Essex County, New Jersey | | | |
| Residence | 1897 | at 190 Mt Pleasant Avenue and was a chemist - Newark, Essex County, New Jersey | | | |
| Residence | 1898 | at 55 Broad and was a chemist at 264 Halsey - Newark, Essex County, New Jersey | | | |
| Residence | 1899 | at 55 Broad and was a chemist at 264 Halsey - Newark, Essex County, New Jersey | | | |
| Occupation | 1 Jun 1900 | ink manufacturer - Newark, Essex County, New Jersey | | | |
| Residence (family) | 2 Jun 1900 | at 55 Broad St. - Newark, Essex County, New Jersey - Grace Helena RIKER | | | |
| Residence | 1900 | at 55 Broad and was a chemist at 264 Halsey - Newark, Essex County, New Jersey | | | |
| Residence | 1901 | at 55 Broad and was treasurere at 264 Halsey - Newark, Essex County, New Jersey | | | |
| Occupation | 6 Oct 1901 | ink and glue manufacturer at 52 Broad Street - Newark, Essex County, New Jersey | | | |
| Miscellaneous | 6 Oct 1901 | filed charges against a firm for selling him bogus stocks which led to arrests - New York City, New York County, New York | | | |
| Residence | 1902 | at 55 Broad and was treasurere at 264 Halsey - Newark, Essex County, New Jersey | | | |
| Residence | 1903 | at 55 Broad adn was treasurer at 264 Halsey - Newark, Essex County, New Jersey | | | |
| Residence | 1904 | at 55 Broad and was treasurere at 264 Halsey - Newark, Essex County, New Jersey | | | |
| Residence | 1907 | at 55 Broad and was president & treasurere of I Pomeroy Company at 264-266 Halsey - Newark, Essex County, New Jersey | | | |
| Residence | 1908 | at 55 Broad and was president & treasurer of I Pomeroy Company at 264-266 Halsey - Newark, Essex County, New Jersey | | | |
| Residence | 1909 | at 55 Broad and was president and treasurer of I Pomeroy Company at 264-266 Halsey - Newark, Essex County, New Jersey | | | |
| Occupation | 19 Apr 1910 | ink manufacturer with I Pomeroy Company at 264-266 Halsey - Newark, Essex County, New Jersey | | | |
| Residence (family) | 20 Apr 1910 | at 55 Broad St. - Newark, Essex County, New Jersey - Grace Helena RIKER | | | |
| Residence | 1911 | at 83 3d Avenue and was president and treasurer of I Pomeroy Company at 264 Halsey - Newark, Essex County, New Jersey | | | |
| Residence | 1912 | Rahway, Union County, New Jersey | | | |
| Occupation | 1912 | president and treasurere of I Pomeroy Company at 264-266 Halsey - Newark, Essex County, New Jersey | | | |
| Residence | 1913 | Rahway, Union County, New Jersey | | | |
| Occupation | 1913 | president and treasurer of I Pomeroy Co at 264 Halsey - Newark, Essex County, New Jersey | | | |
| Residence | 1914 | Rahway, Union County, New Jersey | | | |
| Occupation | 1914 | president and treasurer of I Pomeroy Company at 264-266 Halsey - Newark, Essex County, New Jersey | | | |
| Residence | 1915 | at 319 Belleville Avenue and was president & treasurer of I Pomeroy Co at 264-266 Halsey - Newark, Essex County, New Jersey | | | |
| Residence | 1917 | at 459 High and was president & treasurere of I Pomeroy Co at 264-266 Halsey - Newark, Essex County, New Jersey | | | |
| Residence | 1918 | at 42 Renner Avenue and was president and treasurer of I Pomeroy Co at 313 Market - Newark, Essex County, New Jersey | | | |
| Occupation | 5 Jan 1920 | manufacturer - Montclair, Essex County, New Jersey | | | |
| Residence (family) | 6 Jan 1920 | at 79 Elm St. - Montclair, Essex County, New Jersey - Grace Helena RIKER | | | |
| Residence | 1920 | Montclair, Essex County, New Jersey | | | |
| Occupation | 1920 | treasurer and president of I Pomeroy Company at 313 Market - Newark, Essex County, New Jersey | | | |
| Residence | 1922 | at 133 Shephard Avenue and was a chemist at I Pomeroy Co at 313 Market - Newark, Essex County, New Jersey | | | |
| Residence | 1922 | at 133 Shephard Avenue and was a chemist at I Pomeroy Co at 313 Market - Newark, Essex County, New Jersey | | | |
| Residence | 1923 | at 133 Shephard Avenue and was a chemist at I Pomeroy Co at 313 Market - Newark, Essex County, New Jersey | | | |
| Occupation | Bef 1926 | president & treasurer of I Pomeroy Co at 313 Market Street for 48 years - Newark, Essex County, New Jersey | | | |
| Retirement | 1926 | Newark, Essex County, New Jersey | | | |
| Retirement | 1926 | Newark, Essex County, New Jersey | | | |
| Death | 11 Mar 1926 | at his home at 64 North Thirteenth Street - Newark, Essex County, New Jersey | | | |
| Burial | 14 Mar 1926 | at Mount Pleasant Cemetery - Newark, Essex County, New Jersey | | | |