1 daughter Admitted to bar, began practice of law, Danville, Illinois, circa 1850. Law partner of Abraham Lincoln, Danville, 1852-1853. Active in Republican Party in Illinois, from 1856.
Bodyguard to Lincoln on trip from Illinois to Washington, February 1861. Sent by Lincoln on mission to Charleston, South Carolina., March 1861. United States marshall of District of Columbia, 1861-1865.
Aroused controversy by opposing abolitionists. Partner (with Jeremiah S. Black) in law firm, 1865-1879. Practiced law, Denver, 1879-1886.
Published The Life of Abraham Lincoln from his Birth to His Inauguration as President (Chauncy Black), 1872.
Married Angelina Turner. Married second, Sally Logan.