Robert Jones, Jr., was born in October 1832 in England to Robert Jones and Mary Mannings. His father was a laborer and farmer who owned $400 of real estate and $400 of personal property by 1860. The family emigrated to America in the early 1830s and settled in Westfield, New York. They moved to Ripley, New York, in the early 1850s, and Jones worked as a farmer there. Jones married a woman named
Betsey Ann in the 1850s, and they had at least three children: Rhoda, born around 1861; Matilda, born around 1867; and Delbert, born around 1872.
Jones enlisted in the Union army on August 31, 1862, and he mustered in as a private in Company H of the 112th New York Infantry on September 11. According to his service records, he was 5 feet, 7¾ inches tall, with dark hair and chestnut eyes. The regiment took part in the siege of Suffolk, the Battle of Cold Harbor, the siege of Petersburg, and the Carolinas campaign. The fiercely opposed emancipation and Black enlistment. In March 1863, he copied a poem that denounced President Abraham Lincoln for making "the n****r the Equal of the white." He mustered out on June 13, 1865.
He returned to Ripley after the war and resumed his work as a farmer. By 1870, he owned $700 of real estate. His wife died on May 27, 1878. He applied for a federal pension in January 1879 and eventually secured one. By 1900, Jones was living with his daughter Matilda and her family in Ripley. He was admitted to the National Home for Disabled Volunteer Soldiers in Bath, New York, on May 15, 1908, and he was discharged that September. He died in Ripley on November 11, 1908.