Thomas Bullock Hizard was born on June 15, 1833 in Brandywine, Delaware. Before the war he was a builder and contractor in New Castle.

On Sept. 2, 1861 he became Captain of Company I in the 1st Delaware Infantry. He took command of the regiment at Gettysburg on July 2nd when Lt. Col. Edward P. Harris was put under arrest for withdrawing the regiment from the Bliss farm buildings without authorization. Shortly afterwards, however, Hizard was wounded. He returned to the regiment only to be wounded again at Reams’ Station on August 25, 1864. He mustered out on Oct. 15, 1864.

Hizard died on Sept. 11, 1894 in Duluth, Minnesota.