Benjamin enlisted at the beginning of the War of the Rebellion in 1861, along with three brothers, David, Samuel and Lawson. Lawson was the one who did not return, as he was captured along with others who had enlisted with him at Hughesville PA, during the battle in front of Petersburg, VA and died in August of 1864 in the Confederate prison in Andersonville, in southern Georgia.
Benjamin was a Private in Company G, 28th Regiment, 12th Corps, Pennsylvania Volunteers. He was wounded at the battle of Antetiam and during the battle of Gettysburg. He returned home and raised a family in Sullivan County. He is buried with his wife, Philena Little Bryan in the church cemetery in Hillsgrove, PA.

Benjamin Bryan