Thaddeus Maclay Mahon
American politician
Died when: 76 years 10 days (912 months)Star Sign: Gemini

Thaddeus Maclay Mahon (May 21, 1840 – May 31, 1916) was a soldier, attorney, railroad executive, and a Republican member of the U.S.House of Representatives from Pennsylvania.
Thaddeus M.Mahon was born in rural Green Village, Pennsylvania.During the American Civil War, he enlisted in August 1862 as a private in Company A, One Hundred and Twenty-sixth Regiment of the Pennsylvania Volunteers.
After a term of service in this regiment, he reenlisted as a veteran in January 1864 in the Twenty-first Regiment, Pennsylvania Volunteer Cavalry, and served until September 1865.
Mahon studied law, was admitted to the bar in 1871, and commenced practice in southern Pennsylvania.He served as a member of the Pennsylvania State House of Representatives from 1870 to 1872.
He was the president of .He was also a member of the commission having charge of the soldiers’ orphan schools of Pennsylvania.
He was an unsuccessful candidate for election in 1876.Mahon was elected as a Republican to the Fifty-third and to the six succeeding Congresses.
He served as chairman of the United States House Committee on War Claims during the Fifty-fourth through the Fifty-ninth Congresses.
He was not a candidate for renomination in 1906.He was engaged in business in Chambersburg, Pennsylvania.He died in Scotland, Pennsylvania, in 1916.
Interment was in Cedar Grove Cemetery in Chambersburg.