John Graham (1774-1820)
Non-career appointee
States of Residence: Pennsylvania, Virginia
- Chief Clerk
Appointed: July 1, 1807
Termination of Appointment: July 18, 1817
- Secretary of State ad interim
Appointed: March 4, 1817
Termination of Appointment: March 9, 1817
- Chief Clerk, Department of State
- Minister Plenipotentiary (Portugal)
Appointed: January 6, 1819
Presentation of Credentials: June 24, 1819
Termination of Mission: Left Rio de Janeiro June 13, 1820
- Served at the court of Portugal in Brazil; resident at Rio de Janeiro.