William H. Blair (July 16, 1821 – December 7, 1888) was a Union Army captain and company commander in the 51st Pennsylvania Volunteer Infantry Regiment, and a colonel and commander of the 179th Pennsylvania Volunteer Infantry Regiment during the American Civil War.
William H. Blair was born in Milesburg, Pennsylvania, on July 16, 1821.
[1] On October 4, 1861, Blair was appointed 1st lieutenant of the 51st Pennsylvania Volunteer Infantry Regiment.
[1] On December 8, 1862, he was appointed colonel of the 179th Pennsylvania Volunteer Infantry Regiment.
[1] On May 31, 1866, President Andrew Johnson nominated Blair for appointment to the grade of brevet brigadier general of volunteers, to rank from March 13, 1865, for his service at the Battle of Antietam, and the United States Senate confirmed the appointment on July 23, 1866.