Background
Mcmahon, John A. was born on February 19, 1833 in Frederick Company, Maryland, United States. Son of John V. L. and Elizabeth (Gouger) M.
United States representative politician
Mcmahon, John A. was born on February 19, 1833 in Frederick Company, Maryland, United States. Son of John V. L. and Elizabeth (Gouger) M.
He studied law with his uncle, Vallandigham, and was admitted to the bar in 1854, forming a partnership with his uncle.
He was the nephew of Clement Vallandigham, another Representative from Ohio. He taught at Xavier for a year, and settled in Dayton, Ohio in 1852. He was elected to the Forty-fourth, Forty-fifth, and Forty-sixth United States Congresses, from 1875 until 1881.
McMahon was appointed by the House of Representatives as a manager to conduct impeachment proceedings against Secretary of War William West. Belknap.
He was unsuccessful for re-election in 1880 and returned to private law practice in Dayton. He served as the president of the Ohio State Bar Association in 1886, and was a losing candidate for the Senate in 1889.
He died in Dayton and was buried in Woodland Cemetery. McMahon was married January 23, 1861 to Mollie R. Sprigg, of Cumberland, Maryland.
Member 44th, 45th and 46th Congresses (1875-1881), 3d District of Ohio.
Married Mary R. Sprigg, January 23, 1861.