Richard James Arnold was born 5 October 1796 in Providence, Providence County, Rhode Island, United States to Welcome Arnold (1745-1798) and Patience Greene (1754-1809) and died 11 March 1873 Whitehall, Clarke County, Georgia, United States of unspecified causes. He married Louisa Carolina Gindrat (1804-1871) 22 May 1824 in Boston, Suffolk County, Massachusetts.
Children
| Name | Birth | Death | Joined with |
| Eliza Harriet Arnold (1826-) | |||
| Louise Caroline Gindrat Arnold (1828-1905) | 29 March 1828 Whitehall, Clarke County, Georgia, United States | 11 October 1905 Providence, Providence County, Rhode Island | Samuel Green Arnold (1821-1880) |
| Richard James Arnold (1834-1899) | |||
| Thomas Clay Arnold (1836-1870) | |||
| William Elliot Arnold (1838-) | |||
| Mary Cornelia Arnold (1841-1928) | |||
| Susan Jane Arnold (1842-) | |||
Siblings
| Name | Birth | Death | Joined with |
| Mary Arnold (1774-1851) | |||
| Samuel Green Arnold (1776-1778) | |||
| Samuel Green Arnold (1778-1826) | 20 January 1778 Providence, Providence County, Rhode Island, United States | 19 February 1826 Providence, Rhode Island, United States | Frances Rogers (1786-1865) |
| Welcome Arnold (1780-1785) | |||
| Thomas Arnold (1782-1783) | |||
| Harriet Arnold (1784-1792) | |||
| Cornelia Arnold (1785-1801) | |||
| George Arnold (1790-1790) | |||
| Richard James Arnold (1796-1873) | 5 October 1796 Providence, Providence County, Rhode Island, United States | 11 March 1873 Whitehall, Clarke County, Georgia, United States | Louisa Carolina Gindrat (1804-1871) |
| Eliza Harriet Arnold (1796-1873) | |||