Duchess of Cumberland explained

Duchess of Cumberland is the principal courtesy title held by the wife of the Duke of Cumberland. So far only one woman has been Duchess of Cumberland alone but another has been Duchess of Cumberland & Strathearn and three more have been Duchess of Cumberland & Teviotdale. The latter title has been vacant since the dukedom's suspension in 1919.

Countesses of Cumberland (England, 1525-1643)

Subsidiary title: Baroness de Clifford.

Countess	Image	Earl	Tenure
Margaret Talbot		1st	Unknown-1516
Margaret Percy			Unknown-1540
Eleanor Brandon		2nd	1542-1547
Anne Dacre			c.1558-1570
Margaret Russell		3rd	1577-1605
Grishold Hughes		4th	1605-Unknown
Frances Cecil		5th	1641-1643

Duchesses of Cumberland (England, 1689–1702)

Subsidiary titles: Countess of Kendal, Baroness Okingham.| Anne of England
House of Stuart
1689–1702| | 6 February 1665
St James's Palace, Westminster
–
daughter of James, Duke of York and Anne Hyde^[1] | 28 July 1683
Prince George of Denmark
5 children^[2] | 1 August 1714
aged 49^[3] |-|}

Duchesses of Cumberland & Strathearn (Great Britain, 1766–1790)

Subsidiary titles: Countess of Dublin| Anne Horton
Luttrell family
1771–1790| | 24 January 1743
Marylebone, London
–
daughter of Simon Luttrell and Judith Lawes.| 2 October 1771
Prince Henry Frederick
No children^[4] | 28 December 1808
aged 49|-|}

Duchesses of Cumberland & Teviotdale (Great Britain, 1799–1919)

Other titles: Queen of Hanover, Countess of Armagh| Frederica of Mecklenburg-Strelitz
House of Mecklenburg-Strelitz
1815–1841| | 3 March 1778
Hanover
–
daughter of Grand Duke Charles II and Princess Friederike of Hesse-Darmstadt| 29 August 1815
The Prince Ernest Augustus
1 child^[5] | 29 June 1841
aged 63^[5] |-| Marie of Saxe-Altenburg
House of Saxe-Altenburg
1851–1878| | 14 April 1818
Hildburghausen, Saxe-Hildburghausen
–
daughter of Duke Joseph and Duchess Amelia of Württemberg| 18 February 1843
George, Crown Prince of Hanover
3 children| 9 January 1907
aged 88|-| Princess Thyra of Denmark
House of Glücksburg
1878–1919| | 29 September 1853
Yellow Mansion, Copenhagen
–
daughter of King Christian IX and Louise of Hesse-Kassel^[6] | 21 December 1878
Prince Ernest Augustus
6 children| 14 November 1923
aged 78|-|}

Notes and References

1. Curtis, pp. 12–17; Gregg, p. 4
2. Curtis, p. 30; Green, p. 27; Gregg, p. 17
3. Gregg, pp. 392–394; Somerset, p. 528
4. Web site: Sheppard . F H W . Pall Mall, South Side, Past Buildings: Nos 85-87 (consec.) Pall Mall, Cumberland House Pages 364-367 Survey of London: Volumes 29 and 30, St James Westminster, Part 1. Originally published by London County Council, London, 1960. . British History Online . 13 July 2020.
5. Willis, Daniel A., The Descendants of King George I of Great Britain, Clearfield Company, 2002, p. 73.
6. Book: Montgomery-Massingberd, Hugh. Hugh Massingberd. 1977. Burke's Royal Families of the World. 1. London. Burke's Peerage. 0-220-66222-3. . pp. 69–70.