Background
Preston was born in 1841 in Ireland.
Preston was born in 1841 in Ireland.
He joined the United States Navy from Boston in February 1862, and served during the Civil War as a landsman on the United States Ship Oneida. At the Battle of Mobile Bay on August 5, 1864, he was severely wounded in the eyes but continued at his post manning an artillery gun and later helped care for other wounded sailors. He was discharged for disability in October 1864 as the result of his wounds.
Served on board the United States.S. Oneida in the engagement at Mobile Bay, 5 August 1864.
Severely wounded, Preston remained at his gun throughout the engagement which resulted in the capture of the rebel ram Tennessee and the damaging of Fort Morgan, carrying on until obliged to go to the surgeon to whom he reported himself as "only slightly injured." He then assisted in taking care of the wounded below and wanted to be allowed to return to his battle station on deck. Upon close examination it was found that he was wounded quite severely in both eyes.