| Birth | 8 Jan 1815 | Fairfield, Herkimer County, New York | | | |
| Marriage | 10 Jan 1836 | Preble County, Ohio - Elmina Juliet FLEMING | | | |
| Residence | 1840 | Jefferson, Preble County, Ohio | | | |
| Occupation | 1840 | farmer - Jefferson, Preble County, Ohio | | | |
| Miscellaneous | 17 Nov 1849 | purchased 76.24 acres of land - Cincinnati, Hamilton County, Ohio | | | |
| Miscellaneous | 12 Sep 1855 | purchased 162.52 acres of land - Cincinnati, Hamilton County, Ohio | | | |
| Miscellaneous | 10 Sep 1858 | purchased lot 13 & 15 for $6000 from John Benedict as recorded in Liber 18, page 500 - Martinsburg, Lewis County, New York | | | |
| Residence | 10 Sep 1858 | Cincinnati, Hamilton County, Ohio | | | |
| Miscellaneous | 11 Oct 1858 | purchased 160 acres of land - Cincinnati, Hamilton County, Ohio | | | |
| Miscellaneous | 10 Sep 1859 | sold with his wife lot 13 & 15 for $2500 to Cyrus Belknap as recorded in Liber 20, page 96 - Martinsburg, Lewis County, New York | | | |
| Residence | 14 Jun 1860 | & was owner of a wholesale shoe store - Cincinnati, Hamilton County, Ohio | | | |
| Miscellaneous | 6 Dec 1860 | purchased from Julia & Charles Shannon for $500 the west half of lots 545-546 - Huron, Wayne County, New York | | | |
| Residence | 6 Dec 1860 | Cincinnati, Hamilton County, Ohio | | | |
| Occupation | 1861 | partner in Robbins & Pomeroy near west corner of 3d and Baum - Cincinnati, Hamilton County, Ohio | | | |
| Miscellaneous | 1862 - 1864 | Cincinnati, Hamilton County, Ohio | | | |
| Residence | 1862 | at northwest corner of 3d & Baum & was owner of R M Pomeroy & Co wholesale dealers in boots & shoes - Cincinnati, Hamilton County, Ohio | | | |
| Residence | 1863 | at northwest corner 3d and Baum - Cincinnati, Hamilton County, Ohio | | | |
| Occupation | 1863 | owner R M Pomeroy & Co, wholesale dealers of boots & shoe at 59 W Pearl - Cincinnati, Hamilton County, Ohio | | | |
| Occupation | 1864 | owner of RM Pomeroy & Co, wholesale dealers in boots & shoes at 59 W Pearl - Cincinnati, Hamilton County, Ohio | | | |
| Residence | 1864 | at northwest corner of 3d & Baum - Cincinnati, Hamilton County, Ohio | | | |
| Residence | 1865 | Boston, Suffolk County, Massachusetts | | | |
| Occupation | 1865 | owner of R M Pomeroy & Company wholesale boots & shoes 59 W Pearl - Cincinnati, Hamilton County, Ohio | | | |
| Residence | 1866 | Boston, Suffolk County, Massachusetts | | | |
| Occupation | 1866 | owner of R M Pomeroy & Co wholesale dealers of boots & shoes at 59 W Pearl - Cincinnati, Hamilton County, Ohio | | | |
| Miscellaneous | 20 Nov 1866 | and his wife were guests on a railroad excursion | | | |
| Miscellaneous | 20 Nov 1866 | and his wife were guests on a railroad excursion | | | |
| Residence | 1867 | Boston, Suffolk County, Massachusetts | | | |
| Occupation | 1867 | owner of R M Pomeroy & Co, wholesale dealers in boots & shoes at 59 W Pearl - Cincinnati, Hamilton County, Ohio | | | |
| Residence | 1868 | Boston, Suffolk County, Massachusetts | | | |
| Residence | 1868 | owner of R M Pomeroy & Co wholesale dealer in boots & shoes at 59 W Pearl - Cincinnati, Hamilton County, Ohio | | | |
| Residence | 1869 | Boston, Suffolk County, Massachusetts | | | |
| Occupation | 1869 | owner of R M Pomeroy & Co, wholesale boots & shoes at 59 W Pearl - Cincinnati, Hamilton County, Ohio | | | |
| Miscellaneous | 1 Jan 1870 | possibly sold his shoe & boot business to Lytel & Co - Cincinnati, Hamilton County, Ohio | | | |
| Miscellaneous | 1 Feb 1870 | Philadelphia, Philadelphia County, Pennsylvania | | | |
| Residence | 7 Jun 1870 | & was a boot and shoe dealer - Boston, Suffolk County, Massachusetts | | | |
| Miscellaneous | 1870 | had an office of his business R M Pomeroy & Co at 59 W Pearl - Cincinnati, Hamilton County, Ohio | | | |
| Residence | 4 Jun 1880 | with his family at 90 Chester Square - Boston, Suffolk County, Massachusetts | | | |
| Miscellaneous | Jul 1882 | resigned from his position as auditor of the C.N.O.& T.P. Railway - Cincinnati, Hamilton County, Ohio | | | |
| Residence | Abt 1884 | and was a retired merchant - Boston, Suffolk County, Massachusetts | | | |
| Will | 14 Feb 1885 | Boston, Suffolk, Massachusetts, United States | | | |
| Residence | 14 Feb 1885 | at 10 Commonwealth Avenue - Boston, Suffolk County, Massachusetts | | | |
| Miscellaneous | 25 May 1885 | arrived with his son James on the ship Normandie from Le Havre, France - New York City, New York County, New York | | | |
| Occupation | 25 May 1885 | capitalist - New York, New York County, New York | | | |
| Death | 11 Nov 1885 | at 10 Commonwealth Avenue of atrophy of cortex - Boston, Suffolk County, Massachusetts | | | |
| Burial | Aft 11 Nov 1885 | at Forest Hills Cemetery - Jamaica Plains, Suffolk County, Massachusetts | | | |
| Probate | 21 Dec 1885 | Boston, Suffolk, Massachusetts, United States | | | |
| Probate | 30 Sep 1907 | Nemaha County, Kansas | | | |
| Probate | 27 Feb 1911 | Cincinnati, Hamilton, Ohio, United States | | | |