| Birth | 10 Dec 1836 | Utica, Oneida County, New York | | | |
| Residence | Jun 1840 | [probably] with his parents - Utica, Oneida County, New York | | | |
| Residence | 29 Jul 1850 | wtih his parents & attended school - Utica, Oneida County, New York | | | |
| Occupation | | in partnership with his father manufacturing oil cloth under the name Pomeroy & Son - Utica, Oneida County, New York | | | |
| Residence | 1855 | with his parents - Utica, Oneida County, New York | | | |
| Occupation | 30 Sep 1857 | clerk - Saint Anthony, Hennepin County, Minnesota | | | |
| Residence | 1 Oct 1857 | with the Dannun Greenleaf household - Saint Anthony, Hennepin County, Minnesota | | | |
| Military | 29 Apr 1861 | enlisted as a 2nd Lieutenant in Company E, 1st Infantry Regiment Minnesota - Minnesota | | | |
| Military | 21 Jul 1861 | fought in the battle of Bull Run - Manassas, Prince William, Virginia, United States | | | |
| Military | 12 Oct 1861 | fought in the Battle of Ball's Bluff - Loudoun County, Virginia | | | |
| Military | 22 Oct 1861 | promoted to Full Captain | | | |
| Military | 31 May 1862 | fought in the Battle of Fair Oaks - Henrico County, Virginia | | | |
| Military | 6 Jun 1862 | wrote a letter to a friend that was published in the paper about the Battle of Fair Oaks - Camp Fair Oaks, Virginia | | | |
| Miscellaneous | 31 Jul 1862 | Utica, Herkimer County, New York | | | |
| Military | 1862 | was appointed Paymaster in the volunteer army - New Bern, Craven County, North Carolina | | | |
| Military | 17 Sep 1862 | fought in the Battle of Antietam and was wounded - Sharpsburg, Washington, Maryland, United States | | | |
| Military | 18 Sep 1862 | commissioned in and discharged from Company S, 146th Infantry Regiment New York | | | |
| Military | 18 Sep 1862 | discharged for promotion from Company E, 1st Infantry Regiment Minnesota | | | |
| Military | 18 Sep 1862 | promoted to Full Lieutenant Colonel | | | |
| Military | 1 Oct 1862 | appointed to paymaster by Edwin M Stanton, Secretary of War - Washington, District of Columbia | | | |
| Military | 2 Oct 1862 | commission in Paymaster's Dept Regiment U. S. Volunteers | | | |
| Military | 2 Oct 1862 | promoted to Full Major (Major & Additional) Paymaster | | | |
| Marriage | 24 Dec 1862 | Mary Hurlbert MATTESON | | | |
| Military | 21 Jan 1863 | was issued as paymaster $200,000 to pay the army of the Potomac by resolution of the President - Washington, District of Columbia County, District of Columbia | | | |
| Military | 19 Mar 1863 | Washington, District of Columbia | | | |
| Residence | 1864 | as a boarder at Congress Hall & was paymaster for the US Army at 478 Broadway - Albany, Albany County, New York | | | |
| Military | 1 Dec 1864 | New York, New York County, New York | | | |
| Military | 16 Apr 1865 | promoted to Brevet Lieutenant Colonel for faithful service in the pay department | | | |
| Military | 25 May 1865 | as ass't paymaster came to pay soldiers, mostly those who were convalescents from the hospitals - Monroe County, New York | | | |
| Military | 28 Jul 1866 | discharged from Paymaster's Dept Regiment U. S. Volunteers | | | |
| Military | 3 Aug 1866 | application for Paymaster was delivered to his father-in-law for him | | | |
| Military | 13 Sep 1866 | was appointeed paymater in the U.S. Army by President Johnson - Washington, District of Columbia | | | |
| Military | 8 Oct 1866 | New York City, New York County, New York | | | |
| Military | 7 Mar 1867 | was nominated for the position of paymaster | | | |
| Military | 9 Apr 1867 | Utica, Herkimer County, New York | | | |
| Military | 30 Jun 1867 | | | | |
| Military | 1 Dec 1868 | Omaha, Douglas County, Nebraska | | | |
| Death | 1 Jan 1869 | of pneumonia after being ill for 1 week - Omaha, Douglas County, Nebraska | | | |