John Thomson Mason | |
|---|---|
| 4thAttorney General of Maryland | |
| In office 1806–1806 | |
| Governor | Robert Bowie |
| Preceded by | William Pinkney |
| Succeeded by | John Johnson Sr. |
| Personal details | |
| Born | (1765-03-15)15 March 1765 |
| Died | 10 December 1824(1824-12-10) (aged 59) |
| Spouse | Elizabeth Beltzhoover |
| Children | 7, includingJohn Thomson Mason Jr. |
| Residence(s) | Montpelier,Clear Spring,Maryland |
| Profession | Attorney |
John Thomson Mason (15 March 1765 – 10 December 1824)[1][2] was an American lawyer andAttorney General of Maryland in 1806.[2]
Mason was born on 15 March 1765 atChopawamsic inStafford County, Virginia.[1][2] He was the third child and youngest son ofThomson Mason and his wife Mary King Barnes.[1]
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Mason operated a plantation in what was thenWashington County, Maryland near Elizabethtown (nowHagerstown using enslaved labor.[3]
Admitted to the Maryland bar, he attained high rank,[4] but twice declined the office ofUnited States Attorney General when it was offered byPresidentsThomas Jefferson andJames Madison.[4] He then served asAttorney General of Maryland in 1806.[2] He was also one of six judges appointed to a newly restructured court of appeals by GovernorRobert Bowie on 19 January 1806, but declined the appointment.[5] Mason ran for one ofMaryland's seats in theUnited States Senate in 1816, but lost.[4]

Mason married Elizabeth Beltzhoover in 1797.[1][2] He and Elizabeth had seven children:[1][2]
Mason died on 10 December 1824 at the age of 59.[1] Mason was interred at hisMontpelier estate inClear Spring, Maryland.[6]
John Thomson Mason was a nephew ofGeorge Mason (1725–1792);[1] son ofThomson Mason (1733–1785);[1] brother ofStevens Thomson Mason (1760–1803);[1] half-brother ofWilliam Temple Thomson Mason (1782–1862);[1] first cousin ofGeorge Mason V (1753–1796);[1] first cousin once removed ofThomson Francis Mason (1785–1838),George Mason VI (1786–1834),Richard Barnes Mason (1797–1850), andJames Murray Mason (1798–1871);[1] uncle ofArmistead Thomson Mason (1787–1819) andJohn Thomson Mason (1787–1850);[1] father ofJohn Thomson Mason Jr. (1815–1873);[1] and great uncle ofStevens Thomson Mason (1811–1843).[1]
| Legal offices | ||
|---|---|---|
| Preceded by | Attorney General of Maryland 1806 | Succeeded by |