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Sign up freeMary Countess of Thomond Brereton 1590–1640
What is a Public Tree Person?
A YourRoots Public Tree Person is a tree person based on aggregated data from family trees uploaded to the YourRoots network.
Our system scans the entire tree network and detects tree persons shared between multiple trees uploaded by different tree owners.
Using our proprietary algorithm and AI tools, we evaluate Public Tree Person matching based on name, birth date/location, death date/location, and parents/descendants matching.
We regularly update our database to produce more Public Tree Persons.
Birth Date: December 28, 1590
Birth Location: Brereton, Cheshire, England
Death Date: April 21, 1640
Death Location: Thomond, Connaught, County Clare, Ireland
Father:
Mother:
In 1590, Mary Countess of Thomond Brereton entered the world in Brereton, Cheshire, England. Mary Countess of Thomond Brereton married Henry Macdonnchadha Obrien, and had children including Joan O Brien. Mary Countess of Thomond Brereton passed away in 1640 in Thomond, Connaught, County Clare, Ireland.
Why This Is a Public Tree Person
This person was detected across multiple family trees uploaded by different tree owners in the YourRoots network. Using our proprietary algorithm and AI tools, we evaluate matching based on name, birth/death dates and locations, and parents/descendants matching.
Reliability Score
This score reflects the reliability of the source family tree. A high rating indicates a trustworthy source with strong data consistency.
- A 3 criteria (Strong)
- B 2 criteria (Medium)
- C 1 criteria (Basic)
Verification checklist:
- Record available
- Descendant's record available
- Star tree owner
Immediate Family
No immediate family data available.
Biography
Early Life
In 1590, Mary Countess of Thomond Brereton entered the world in Brereton, Cheshire, England.
Family
Mary Countess of Thomond Brereton married Henry Macdonnchadha Obrien, and had children including Joan O Brien.
Later Years
Mary Countess of Thomond Brereton passed away in 1640 in Thomond, Connaught, County Clare, Ireland.
Life Timeline
Related Records
Found in 3 Family Trees
Each researcher's tree may show different family connections for this ancestor.