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Cosmo Hamilton 1853–1853

Public Tree Person

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

Full name consistent across 2 independent trees
Birth year and location consistent across 2 trees
Death year and location consistent across 2 trees

Compare a Public Tree Person with your own tree using Compare Tree.

B Reliability
B
Reliability Score: B
Medium — based on the source tree
Grade scale
  • A 3 criteria (Strong)
  • B 2 criteria (Medium)
  • C 1 criteria (Basic)
Verification checklist
  • Record available
  • Descendant's record available
  • Star tree owner

2 researchers on YourRoots have Cosmo Hamilton in their family trees — each with their own records and documentation. Trace the migration path across 12 generations. If this ancestor is in your tree too, you can compare what you've found and fill in the gaps together.

Last updated: August 25, 2026 · Reliability: B — verified across 2 independent trees

Born 16 Apr 1853 · Nice, Provence-Alpes-Côte d'Azur, France
Died 16 Apr 1853 · Nice, Alpes-Maritimes, Provence-Alpes-Cote d'Azur, France
Father James Hamilton 1St Duke Of Abercorn Viscount Hamilton Marquess Of Abercorn Lord Lieutenant Of Ireland
Mother Louisa Jane Russell Duchess Of Abercorn
Siblings Abertha Frances Anne Hamilton Marchioness Of Blandford Duchess Of Marlborough, Beatrix Frances Hamilton, Claud John Hamilton Lord, Ernest William Hamilton, Frederick Spencer Hamilton, George Francis Hamilton Gcsi Pc Jp, Georgiana Susan Hamilton Countess Winterton, Harriet Georgiana Louisa Hamilton Countess Of Litchfield, James Hamilton 2Nd Duke Of Abercorn, Katherine Elizabeth Hamilton Countess, Louisa Jane Hamilton Duchess Of Buccleuch Countess Of Dalkeith, Mary Curzon Marchioness Of Hamilton, Maud Evelyn Hamilton Marchioness Of Lansdowne, Ronald Douglas Hamilton
Records
Netherlands, GenealogieOnline Trees Index
Compare Tree

Researchers connected through Cosmo Hamilton 1853–1853

and 1 more tree owner connected with Cosmo Hamilton 1853–1853

Immediate Family

Spouse(s)
No spouse recorded
Children
No children recorded

Biography

Cosmo Hamilton was born in 1853 in Nice, Provence-Alpes-Côte d'Azur, France, the child of james hamilton 1st duke of abercorn viscount hamilton marquess of abercorn lord lieutenant of ireland and louisa jane russell duchess of abercorn. Cosmo Hamilton passed away in 1853 in Nice, Alpes-Maritimes, Provence-Alpes-Cote d'Azur, France.

Sources

  1. 1
    Record Netherlands, GenealogieOnline Trees Index

Life Timeline

1853
Birth of Cosmo Hamilton in Nice, Provence-Alpes-Côte d'Azur, France
Birth
1853
Death of Cosmo Hamilton in Nice, Alpes-Maritimes, Provence-Alpes-Cote d'Azur, France
Death

Oldest Ancestor Line from Cosmo Hamilton

This ancestor line traces from Cadzow Castle, Lanarkshire, Scotland (1415) to Nice, Provence-Alpes-Côte d'Azur, France (1853) across 12 generations.

Direct Lineage
generations

Frequently Asked Questions

Cosmo Hamilton (1853–1853) was born in Nice, Provence-Alpes-Côte d'Azur, France and died in Nice, Alpes-Maritimes, Provence-Alpes-Cote d'Azur, France. 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 (B) based on cross-tree validation.
Right now, 2 researchers on YourRoots have Cosmo 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 12 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

James Hamilton 1St Duke Of Abercorn Viscount Hamilton Marquess Of Abercorn Lord Lieutenant Of Ireland
Father
Louisa Jane Russell Duchess Of Abercorn
Mother
Hamilton US Census Records
Browse all census records

Cosmo Hamilton's Ancestors

Pedigree chart — 3 generations on record

Self
Cosmo Hamilton PTP
1853–1853
Nice, Provence-Alpes-Côte d'Azur, France
Parents
Unknown
Unknown
Grandparents
Unknown
Unknown
Unknown
Unknown

Cosmo Hamilton's Descendants

1.
CH
Cosmo Hamilton PTP 1853–1853