Montgomery Blair was an American politician and lawyer from Maryland. He served in the Lincoln administration cabinet as Postmaster-General from 1861 to 1864, during the Civil War. He was the son of Francis Preston Blair, elder brother of Francis Preston Blair Jr. and cousin of B. Gratz Brown.
- Occupation
- lawyer, judge, politician, jurist
- Position held
- United States Postmaster General
- Citizenship
- United States
- Born
- May 10, 1813
- Died
- July 27, 1883