Who was Elizabeth Mortimer?

Elizabeth Mortimer (1371–1417) was born in Usk, Monmouthshire, Wales and died in Trotton, Chichester District, West Sussex, England. 5 researchers on YourRoots have this ancestor in their family trees.

How many people are researching Elizabeth?

Right now, 5 researchers on YourRoots have Elizabeth in their trees. The ancestor migration map traces 16 generations of this lineage.

What records do they have for Elizabeth?

Records vary by researcher and can include census, vital, parish, cemetery, and family sources.

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Elizabeth Mortimer 1371–1417

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 5 independent trees

Birth year and location consistent across 5 trees

Death year and location consistent across 5 trees

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

B Reliability

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

5 researchers on YourRoots have Elizabeth Mortimer in their family trees — each with their own records and documentation. Trace the migration path across 16 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: B — verified across 5 independent trees

Born 12 Feb 1371 · Usk, Monmouthshire, Wales

Died 20 Apr 1417 · Trotton, Chichester District, West Sussex, England

Father Edmund Mortimer 3Rd Earl Of March

Mother Philippa Plantagenet

Spouse Sir Henry Harry Hotspur De Percy Vii

Children Henry De Percy

Siblings Roger Mortimer 4Th Earl Of March

Records

U.S. and International Marriage Records, … UK and Ireland, Find a …

Compare Tree

Researchers connected through Elizabeth Mortimer 1371–1417

and 4 more tree owners connected with Elizabeth Mortimer 1371–1417

Immediate Family

Parents

Edmund Mortimer 3Rd Earl Of March

Philippa Plantagenet

Spouse(s)

Sir Henry Harry Hotspur De Percy Vii

Children

Henry De Percy

Biography

Elizabeth Mortimer was born in 1371 in Usk, Monmouthshire, Wales, the child of edmund mortimer 3rd earl of march and philippa plantagenet. Elizabeth Mortimer married sir henry harry hotspur de percy vii, and had children including henry de percy. Elizabeth Mortimer passed away in 1417 in Trotton, Chichester District, West Sussex, England.

Sources

1

Marriage Records U.S. and International Marriage Records, 1560-1900
2

Burial Records UK and Ireland, Find a Grave Index

Life Timeline

1371

Birth of Elizabeth Mortimer in Usk, Monmouthshire, Wales

Birth

1417

Death of Elizabeth Mortimer in Kings Stanley, Gloucestershire, England

Death

1417

Death of Elizabeth Mortimer in Trotton, Sussex, England

Death

Oldest Ancestor Line from Elizabeth Mortimer

This ancestor line traces from Toulouse, Jura, Franche-Comte, France (1000) to Usk, Monmouthshire, Wales (1371) across 16 generations.

Direct Lineage

generations

Frequently Asked Questions

: Elizabeth Mortimer (1371–1417) was born in Usk, Monmouthshire, Wales and died in Trotton, Chichester District, West Sussex, England. 5 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, 5 researchers on YourRoots have Elizabeth 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 16 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.