Joseph Cabell Breckinridge Sr. (January 14, 1842 – August 18, 1920) was a Union Army officer from Kentucky during the American Civil War. In later life, he became a brigadier general in the U.S. Regular Army and Inspector General of the Army as well as a major general of volunteers in the Spanish–American War. Early life Breckinridge was born in 1842, a member of the prominent Breckinridge family, in Baltimore, Maryland. His parents were Anne Sophonisba (née Preston) Breckinridge (1803–1844) and Robert Jefferson Breckinridge (1800–1871), a Presbyterian minister, politician, public office holder and abolitionist who was one of the most distinguished divines and one of the most prolific writers of the century. His father served as a leader of the Kentucky emancipation party in 1849 and was a strong Union man in 1861 at the outbreak of the Civil War. His cousin, John C. Breckinridge, a Confederate major general and former Vice President of the United States, and his two oldest brothers fought for the Confederacy, while he and his second youngest brother Charles Henry Breckinridge fought for the Union. Career In August 1861, Breckinridge joined the U.S. Army and was appointed an aide-de-camp to George H. Thomas, and served with him at Mill Springs and Shiloh. While serving at Corinth, he was commissioned a lieutenant in the 2nd US Artillery. He served in the Atlanta Campaign, and was captured following the death of James B. McPherson. After being exchanged, he served out the remainder of the war as a mustering officer, and received brevet promotions to captain (July 1864) and major (March 1865). He received promotions to the full ranks of captain and major in 1874 and 1881 respectively. On January 30, 1889, Breckinridge was promoted to brigadier general and Inspector General of the Army. He was promoted to Major General of volunteers in the Spanish–American War. He served on the staff of V Corps in Cuba and was engaged in the battles of El Caney and San Juan Hill, where he had a horse shot from under him. General Breckinridge retired from the Army on April 12, 1903, having been promoted to major general the day before. Personal life Major General Breckinridge was married to Louise Ludlow Dudley (1849–1911), daughter of Ethelbert Ludlow Dudley of Lexington, Kentucky in July 1868. Together, they were the parents of: Mary Dudley Breckinridge (1869–1939), who married John Fore Hines (1870–1941). Robert Jefferson