| Birth | 13 Nov 1827 | Gorham, Cumberland County, Maine | | | |
| Education | From 1836 to Aug 1837 | at the Gorham Academy with his sister, Hannah P., where his father was the President and a trustee - Gorham, Cumberland County, Maine | | | |
| Residence | From 1839 to Aug 1840 | Hudson, Columbia County, New York | | | |
| Education | From 1839 to Aug 1840 | at the Gorham Teachers' Seminary with his sister, Hannah P., - Gorham, Cumberland County, Maine | | | |
| Residence | 1841 | Homer, Cortland County, New York | | | |
| Education | 1841 | at the Cortland Academy - Homer, Cortland County, New York | | | |
| Miscellaneous | Apr 1843 | was named in his grandfather John Pearson's will - Bangor, Penobscot County, Maine | | | |
| Occupation | 21 Apr 1846 | teacher for Joint School District No. 8 Salina & Clay and was paid $10.67 - Salina, Onondaga County, New York | | | |
| Occupation | 3 Oct 1850 | school teacher - Dewitt, Onondaga County, New York | | | |
| Residence | 3 Oct 1850 | with his parents - Dewitt, Onondaga County, New York | | | |
| Miscellaneous | 1851 | purchased lot 73 from the executors of the estate of C I Hurd - Dewitt, Onondaga County, New York | | | |
| Marriage | 19 Sep 1851 | Ontario, Wayne County, New York - Mary Lamb PALMER | | | |
| Miscellaneous | 1854 | purchased lot 73 from Z Smith and S Hurd - Dewitt, Onondaga County, New York | | | |
| Occupation | From 1854 to 1855 | farmer who owned land and a home valued at $800 - Van Buren, Onondaga County, New York | | | |
| Miscellaneous | 1857 | and his wife sold property to W H Hudson - Geddes, Onondaga County, New York | | | |
| Miscellaneous | 25 Nov 1857 | named in his father's will to received 1/3 of the estate & to be one of his executors - Dewitt, Onondaga County, New York | | | |
| Miscellaneous | 1859 | and his wife Mary sold property to A Miller and his wife - Geddes, Onondaga County, New York | | | |
| Miscellaneous | 1859 | and wife Mary sold to lot 51 to his sister Hannah - Dewitt, Onondaga County, New York | | | |
| Miscellaneous | 1859 | purchased from E M S Pomeroy lot 51 - Dewitt, Onondaga County, New York | | | |
| Occupation | 28 Jul 1860 | farmer who owned a personal estate valued at $2,500 - Dewitt, Onondaga County, New York | | | |
| Residence (family) | 28 Jul 1860 | Dewitt, Onondaga County, New York - Mary Lamb PALMER | | | |
| Miscellaneous | 1863 | with his wife Mary sold lot 59 to J Lukentelly - Lysander, Onondaga County, New York | | | |
| Miscellaneous | 1 Jan 1863 | and wife Mary L purchased lot 22 for $1354.60 from Daniel E & Lucy Danker - Van Buren, Onondaga County, New York | | | |
| Occupation | Jun 1863 | farmer - Van Buren, Onondaga County, New York | | | |
| Military | Jun 1863 | was registered as Class II in the Civil War draft - Van Buren, Onondaga County, New York | | | |
| Miscellaneous | 1865 | and his wife Mary sold lot 2 & 71 to E Failing - Geddes, Onondaga County, New York | | | |
| Miscellaneous | 1865 | and his wife sold lot 22 to T J Williams - Van Buren, Onondaga County, New York | | | |
| Miscellaneous | 1865 | purchased lot 22 from S S Blanchard - Van Buren, Onondaga County, New York | | | |
| Miscellaneous | 1867 | and his wife Mary sold lot 22 to E Bowman - Van Buren, Onondaga County, New York | | | |
| Miscellaneous | 11 Feb 1867 | purchased 18 acres of lot 22 for $1354.60 fromDaniel E & Lucy M Danker that was recorded - Van Buren, Onondaga County, New York | | | |
| Separation | Bef 23 Jun 1870 | New York - Mary Lamb PALMER | | | |
| Divorce | Bef 3 Jun 1880 | New York - Mary Lamb PALMER | | | |
| Residence | Bef 11 May 1888 | (probably with his son, Charles T. Pomeroy) - Rochester, Monroe County, New York | | | |
| Residence | Bef 11 May 1888 | (probably with his son, Charles T. Pomeroy) - Kansas City, Jackson County, Missouri | | | |
| Miscellaneous | 11 May 1888 | arrived from Kansas City to visit friends on his way by train to his sister's home in Harpswell, ME - Syracuse, Onondaga County, New York | | | |
| Illness | 25 May 1888 | insanity and taken to the police station after he was found wandering the street in a demented state - Syracuse, Onondaga County, New York | | | |
| Miscellaneous | Bef 4 Jun 1888 | was reported to not be known as a resident of the city by the Rochester Democrat & Chronicle - Rochester, Monroe County, New York | | | |
| Death | 4 Jun 1888 | from hanging himself in a fit of temporary insanity while visiting his sister, Hannah, - Harpswell, Cumberland County, Maine | | | |
| Burial | Aft 4 Jun 1888 | in Eastern Cemetery - Gorham, Cumberland County, Maine | | | |
| Miscellaneous | 13 Aug 1888 | died. His son, Charles, visited with T.C. Pomeroy and met with "T.E." re: the insurance on his life - Syracuse, Onondaga County, New York | | | |