| Birth | 10 Oct 1821 | Pompey, Onondaga County, New York | | | |
| Miscellaneous | 21 Dec 1837 | received a letter from his sister Ellen from Syracuse while he was at Yale - New Haven, New Haven County, Connecticut | | | |
| Graduated | 16 Aug 1841 | Yale University - New Haven, New Haven County, Connecticut | | | |
| Graduated | 16 Aug 1841 | Yale College - New Haven, New Haven County, Connecticut | | | |
| Education | From Sep 1841 to Sep 1843 | in law at the office of his father - Pompey, Onondaga County, New York | | | |
| Occupation | Aft Sep 1843 | lawyer in the law firm of Kirkland & Bacon - Utica, Oneida County, New York | | | |
| Miscellaneous | 11 Jul 1844 | admitted to the bar - Utica, Oneida County, New York | | | |
| Occupation | From 1 Oct 1844 to 1 May 1850 | lawyer - Albany, Albany County, New York | | | |
| Marriage | 16 Jun 1846 | New York - Catharine Mary BAKER | | | |
| Occupation | Aft 1 May 1850 | partner with Charles P. Kirkland in the law firm of Kirkland & Birdseye at No. 39 Wall Street - New York, New York County, New York | | | |
| Occupation | From Jul 1856 to 31 Dec 1857 | appointed a Supreme Court Justice, Second District, - Brooklyn, Kings County, New York | | | |
| Occupation | From 1 Jan 1858 to Oct 1861 | partner in the law firm of Birdseye, Sommers & Johnson at 39 Wall Street, Jauncey Court, - New York, New York County, New York | | | |
| Occupation | From Oct 1861 to Jan 1865 | lawyer, practicing alone, - New York, New York County, New York | | | |
| Occupation | From Jan 1865 to Aug 1872 | partner with Charles P. Crosby in the law firm of Birdseye & Crosby - New York, New York County, New York | | | |
| Residence | Abt 1871 | Brooklyn, Kings County, New York | | | |
| Occupation | From Aug 1872 to Jun 1894 | partner with James C. Cloyd and Benjamin H. Bayliss in the law firm of Birdseye, Cloyd & Bayliss - New York, New York County, New York | | | |
| Residence | Nov 1879 | Brooklyn, Kings County, New York | | | |
| Residence | 1892 | at 238 Warren Street - Brooklyn, Kings County, New York | | | |
| Death | 27 Jan 1896 | suddenly of a blood clot in the heart - Brooklyn, Kings County, New York | | | |
| Burial | 30 Jan 1896 | in Greenwood Cemetery - Brooklyn, Kings County, New York | | | |