Lady Mary Countess of Cardigan Duchess of Montagu Hertogin Montagu 1719–1775
What is a Public Tree Person?
A Public Tree Person is an ancestor documented independently by multiple YourRoots tree owners. When several researchers' family histories converge on the same person, we publish a shared page that combines what they've documented.
Why this is a Public Tree Person
Compare a Public Tree Person with your own tree using Compare Tree.
- A 3 criteria (Strong)
- B 2 criteria (Medium)
- C 1 criteria (Basic)
- Record available
- Descendant's record available
- Star tree owner
2 researchers on YourRoots have Lady Montagu in their family trees — each with their own records and documentation. Trace the migration path across 1 generations. If this ancestor is in your tree too, you can compare what you've found and fill in the gaps together.
Last updated: July 22, 2026 · Reliability: C — verified across 2 independent trees
Researchers connected through Lady Montagu 1719–1775
“”
and 1 more tree owner connected with Lady Montagu 1719–1775
Immediate Family
Biography
The story of Lady Mary Countess of Cardigan Duchess of Montagu Hertogin Montagu began in 1719 in Northamptonshire, England. Lady Mary Countess of Cardigan Duchess of Montagu Hertogin Montagu married george brudenell montagu duke of montagu, and had children including lady elizabeth of montagu duchess of buccleuch montagu. Lady Mary Countess of Cardigan Duchess of Montagu Hertogin Montagu passed away in 1775 in Warkton, Northamptonshire, England.
Sources
Life Timeline
Oldest Ancestor Line from Lady Montagu
Frequently Asked Questions
- Lady Montagu (1719–1775) was born in Northamptonshire, England and died in Warkton, Northamptonshire, England. 2 researchers on YourRoots have this ancestor in their family trees, each with their own records. This page combines what they've independently documented and assigns a Reliability Score (C) based on cross-tree validation.
- Right now, 2 researchers on YourRoots have Lady in their trees. They're working independently, so connecting with them is a good way to cross-check your records and find things you might have missed. You can also explore the ancestor migration map that traces 1 generations of this lineage geographically.
- It varies by researcher — some have census records, others have marriage certificates, parish registers, or family Bible entries. Scroll up to see exactly what each person has cited.
- Use the "Compare Tree" button on any researcher's profile above. You can compare your tree side by side with theirs, see where your records overlap or differ, and collaborate to fill gaps.
Related Records
Lady Montagu's Ancestors
Pedigree chart — 3 generations on record