About James Alexander Stewart-Mackenzie
Lived 1784 – 1843 (aged 59). James Alexander Stewart-Mackenzie was a British politician.
James Alexander Stewart-Mackenzie (23 September 1784 – 24 September 1843) was a Scottish politician and British colonial administrator.
Early life He was born James Alexander Stewart on 23 September 1784.
His paternal grandparents were Alexander Stewart, 6th Earl of Galloway and the former Lady Catherine Cochrane (the youngest daughter of John Cochrane, 4th Earl of Dundonald). His maternal grandfather was Ephraim Lópes Pereira d'Aguilar, 2nd Baron d'Aguilar.
Career The Rt. Hon. James Alexander Stewart MacKenzie Seaforth and Glasserton (1784-1843) Stewart-Mackenzie was elected to the House of Commons as Member of Parliament for Ross-shire in 1831. When that constituency was abolished in 1832, he was elected for the new Ross and Cromarty, serving until 1837.
Personal life After his marriage on 21 May 1817 to Mary Elizabeth Frederica Mackenzie ("the Hooded Lassie"), widow of Vice Admiral Sir Samuel Hood and daughter of Francis Mackenzie, 1st Baron Seaforth (whose title had become extinct when his four sons all predeceased him), he assumed the additional surname of Mackenzie. Mary's younger sister, Helen Anne Mackenzie, was the wife of Joshua Henry Mackenzie, Lord Mackenzie. In 1819, Stewart-Mackenzie sold the house and grounds of Woodfall Gardens, Glasserton to Stair Hathorn-Stewart at the neighboring Physgill estate. Together, James and Mary were the parents of: Mary Frances Stewart-Mackenzie (1819–1913), who married Philip Anstruther, son of Col. Robert Anstruther, in 1838. Caroline Susan Stewart-Mackenzie (1822–1867), who married John Berney Petre, son of Jack Petre and Hon. Catherine Harbord (daughter of Harbord Harbord, 1st Baron Suffield), in 1844. George Augustus Frederick Wellington Stewart-Mackenzie (1824–1852), who married Maria Louisa Marriott, daughter of Lt.-Gen. Thomas Marriott, in 1850. Louisa Caroline Stewart-Mackenzie (1827–1903), who married Bingham Baring, 2nd Baron Ashburton.
Stewart-Mackenzie died on 24 September 1843. His widow died on 28 November 1862 and was buried at Fortrose.
Descendants Through his eldest son Keith, he was a grandfather of James Alexander Francis Humberston Mackenzie, who was created Baron Seaforth in 1921, and of Mary Jeune, Baroness St Helier, society hostess and politician.
Through his daughter Louisa, he was a grandfather of Hon. Mary Florence Baring (1860–1902), married William Compton, 5th Marquess of Northampton, becoming the Marchioness of Northampton.
Don’t just read it —
keep it.
Full-length biographies made to live with: read them, listen on the way to work, watch them tonight.
- E-book
- Audio
- Video
Instant download · yours to keep · every purchase keeps this site free
Important facts
Family & relationships
People in James Alexander Stewart-Mackenzie's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped James Alexander Stewart-Mackenzie's
Frequently asked questions
Who was James Alexander Stewart-Mackenzie?
British politician
When was James Alexander Stewart-Mackenzie born?
James Alexander Stewart-Mackenzie was born on 23 September 1784.
When did James Alexander Stewart-Mackenzie die?
James Alexander Stewart-Mackenzie died on 24 September 1843.
What was James Alexander Stewart-Mackenzie's occupation?
James Alexander Stewart-Mackenzie was a politician.
What nationality was James Alexander Stewart-Mackenzie?
James Alexander Stewart-Mackenzie was British.
Sources & further reading
· Wikipedia: James Alexander Stewart-Mackenzie
· DBpedia: James Alexander Stewart-Mackenzie
Cite this page
APA: Biography.guide. (2026). James Alexander Stewart-Mackenzie. https://biography.guide/james-alexander-stewart-mackenzie/
MLA: "James Alexander Stewart-Mackenzie." Biography.guide, https://biography.guide/james-alexander-stewart-mackenzie/.
Chicago: "James Alexander Stewart-Mackenzie." Biography.guide. https://biography.guide/james-alexander-stewart-mackenzie/.
Data last updated: 2026-09-22 · Spot an error? Report a correction.
Portrait: Wikimedia Commons · author & licence
Page generated 2026-09-27 05:02 UTC