Joseph Pembroke Thom

Thom traveled to Washington, D.C. and appealed to President Polk to restore his commission. The President commissioned him second lieutenant under Captain William B. Taliferro.[1] He served in the Mexican–American War, and was wounded at Puente Nacional and Huamantla. He remained in Mexico City after its capture. He then was on duty at Toluca and Veracruz. He developed yellow fever at Veracruz and was sent to Fort Hamilton in New York to recover. He then returned back to Virginia.[1] He served on the USS Savannah for three years. He retired from the United States Navy after serving as surgeon.[2][4]

Thom served on the staff of Taliferro during John Brown's raid on Harpers Ferry. He then ranked as colonel. Thom joined the Confederate States Army. He served in Virginia's "Irish Battalion". He participated in General Stonewall Jackson's Jackson's Valley campaign. He was wounded from a minié ball at the First Battle of Kernstown, but was protected by a copy of the Bible in his chest pocket.[1][2][4] He was assigned the duty of transferring troops from Richmond. His physician ordered him to Bermuda and Thom ran the blockade from Charleston, South Carolina. Thom then moved to Canada and, in 1863, he was ordered to Italy to await completion of cruisers being built in France for the Confederacy. While abroad, the war ended, and he returned back to the United States in 1866.[1][4]

Thom moved to Baltimore after returning from abroad.[1]

In 1877, Thom was elected to the Baltimore City Council.[2] Thom was elected to the Maryland House of Delegates, representing Baltimore, and served as Speaker of the Maryland House of Delegates in 1884.[1][5] In 1897, Thom ran for the second district in the Maryland Senate, but lost to Lewis Putzel.[1][2]

Thom was appointed to the board of management of a state hospital for children in Owings Mills, Maryland, that he failed to pass legislation for while delegate. His son Pembroke Lea Thom followed him as delegate and passed legislation for the establishment of the hospital.[1] He served as collector at the Port of Baltimore during the administrations of President Cleveland.[2] He also served as trustee and was president of the board of Spring Grove Hospital Center for four years. Thom, alongside Dr. William T. Howard and Dr. H. P. C. Wilson, founded The Hospital for Women of Maryland.[1]