About Col. John Cox
John Cox (born 1775- died December 14, 1849). Colonel, D.C. Militia, War of 1812. Mayor of Georgetown, D.C., 1823-1845.
An orphan, raised in Baltimore by an uncle, came to Georgetown by 1799 and opened a store.
- Married Matilda Smith, sister of banker Clement Smith, in 1800.
- Death of his first wife put him in the way of an equally advantageous second marriage to Jane Threlkeld, daughter of former mayor John Threlkeld.
Cox was an importer and banker. He loaned money to Thomas L. McKenney, Superintendant of Indian Trade, to buy Weston, and McKenney bought exclusively from Cox for the Indian trade. Around 1822 Cox built his house, The Cedars, on 11 acres conveyed to him by his father-in-law (dowry?).
- 1830 Census: 16 person household, including 9 slaves.
- Cox’s father-in-law, John Threlkeld had been Mayor of Georgetown; Cox was mayor 1823-1845
- John Cox unanimously re-elected Mayor for the ensuing year, by the Council of Georgetown. (National Intelligencer, January 7, 1824)