Henry Bruce Scott was born on March 15, 1839, in Peru, Indiana, to Benjamin and Sarah Scott. He graduated from Harvard College in 1860, and by July 1860, he was living in Framingham, Massachusetts.
In January 1862, he received a commission as a 2nd lieutenant in Company F of the 2nd Massachusetts Infantry. In March 1862, he became aide-de-camp to General George H. Gordon. Then, in July 1862, he was promoted to captain and assistant adjutant general. He continued to serve on Gordon’s staff. He took part in the Battle of Antietam and the Battle of Chancellorsville, and he was wounded in the head in the latter battle.
He eventually recovered and rejoined the army. In March 1865, he received a commission as a major in the 4th Massachusetts Cavalry. He was promoted to lieutenant colonel in May 1865, and he mustered out on November 14, 1865.
He moved to Cincinnati, Ohio, after the war and earned a living as a manufacturer. He married Leonora Cranch on June 20, 1872, and they had at least seven children: George, born around 1874; Harry, born around 1875; Sarah, born around 1877; Gordon, born around 1880; Christopher, born around 1883; Elizabeth, born around 1886; and Margaret, born around 1889. He moved to Burlington, Iowa, in the 1870s and worked as a land agent for the Chicago, Burlington and Quincy Railroad. By 1915, his house was valued at $20,000. He died in Burlington on February 22, 1921.