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Lady Margaret Helen Buchanan 1576–1617

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 Lady Buchanan in their family trees — each with their own records and documentation. Trace the migration path across 2 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 01 Feb 1576 · Buchanan, Stirlingshire, Scotland
Died 23 May 1617 · Luss, Dunbartonshire, Scotland
Father George Buchanan
Mother Mary Margaret Graham
Spouse Alasdair Alexander 15Th Lord Of Colquhoun Lord Of Luss
Children Alexander Colquhoun Calhoune Sir Vii Laird Of Luss

Researchers connected through Lady Buchanan 1576–1617

and 1 more tree owner connected with Lady Buchanan 1576–1617

Biography

In 1576, Lady Margaret Helen Buchanan entered the world in Buchanan, Stirlingshire, Scotland, born to george buchanan and mary margaret graham. Lady Margaret Helen Buchanan married alasdair alexander 15th lord of colquhoun lord of luss, sir alexander alasdair colquhoun xv laird of luss amp clan chief of kilpatrick amp colquhoun y dna e m35 e m183 haplogroup match with laing kilpatrick calhoun colquhoun king etc, and had children including alexander colquhoun calhoune sir vii laird of luss. Lady Margaret Helen Buchanan passed away in 1617 in Luss, Dunbartonshire, Scotland.

Sources

Life Timeline

1576
Birth of Lady Margaret Helen Buchanan in Buchanan, Stirlingshire, Scotland
Birth
1617
Death of Lady Margaret Helen Buchanan in Luss, Dunbartonshire, Scotland
Death

Oldest Ancestor Line from Lady Buchanan

This ancestor line traces from Mentieth, Perth, Perthshire, Scotland (1549) to Buchanan, Stirlingshire, Central, Scotland, United Kingdom (1576) across 2 generations.

Direct Lineage
generations

Frequently Asked Questions

Lady Buchanan (1576–1617) was born in Buchanan, Stirlingshire, Scotland and died in Luss, Dunbartonshire, Scotland. 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 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 2 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.

Lady Buchanan's Ancestors

Pedigree chart — 3 generations on record

Self
Lady Margaret Helen Buchanan PTP
1576–1617
Buchanan, Stirlingshire, Scotland
Parents
Unknown
Unknown
Grandparents
Unknown
Unknown
Unknown
Unknown

Lady Buchanan's Descendants

1.
LB
Lady Margaret Helen Buchanan PTP 1576–1617