The McMahons and Vallandighams
- Clement Vallandigham (1820–1871), Ohio State Representative 1845–1846, U.S. Representative from Ohio 1858–1863. Uncle of John A. McMahon.
- John A. McMahon (1833–1923), U.S. Representative from Ohio 1875–1881. Nephew of Clement Vallandigham.
Read more about this topic: List Of United States Political Families (M)