John MacTavish (British Consul)

On August 15, 1815, MacTavish was married to Emily Caton, the fourth daughter of Richard Caton and Mary (née Carroll) Caton.^[8] Emily's maternal grandfather was Charles Carroll of Carrollton, the only Catholic and the longest-surviving signer of the Declaration of Independence.^[10][11] They were staunch Roman Catholics, members of St. Paul's Catholic Church in Baltimore County.^[12] John and Emily were the parents of four children:

• Charles Carroll MacTavish (1818–1868), who married Marcella Scott, youngest daughter of Gen. Winfield Scott.^[13]
• Mary Wellesley MacTavish (1826–1850), who married the Hon. Henry George Howard, youngest son of George Howard, 6th Earl of Carlisle.^[14][15]
• Alexander Simon MacTavish (1829–1863), who married Ellen Gilmor (1835–1909), sister of Harry Gilmor, Confederate officer.^[16]
• Richard Caton MacTavish (1831–1841), who died young.

Emily's three sisters Marianne, Bess, and Louisa Caton, entered British society and married into British nobility. Marianne marrying first Robert Patterson (brother of Elizabeth Patterson, the first wife of Napoleon's younger brother Jérôme Bonaparte) and second Richard Wellesley 1st Marquess Wellesley and Lord Lieutenant of Ireland (older brother of the Duke of Wellington); Bess marrying George Stafford-Jerningham, 8th Baron Stafford of Costessey Hall in Norfolk, England; and Louisa marrying first Sir Felton Hervey-Bathurst, 1st Baronet and second Francis D'Arcy Osborne, Marquess of Carmarthen (the future 7th Duke of Leeds).^[11]

MacTavish died on June 21, 1852, at age 65. His widow died on January 26, 1867, at Folly Quarter and was interred with MacTavish at Green Mount Cemetery in Baltimore, Maryland.^[16]

• Media related to John Lovet MacTavish at Wikimedia Commons
• Carroll-McTavish Papers, 1652-1867, MS 220 at the Maryland Historical Society