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Garrett Fitzgerald-Kildare, Baron of Offaly 1559–1580

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 Garrett Offaly in their family trees — each with their own records and documentation. Trace the migration path across 9 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 28 Dec 1559 · Kilcullen, Kildare, Ireland
Died 10 Jun 1580 · Hertfordshire, England
Father Edward Fitzgerald
Mother Agnes Leigh Half Sister To Joyce Culpepper Mother Of Catherin Howard Queen Consort 5Th Wife To King Henry Viii Of England
Siblings Catherine Fitzgerald, Douglas Fitzgerald, Elizabeth Eveleen Fitzgerald Countess Of Thomond, Elizabeth Fitzgerald, Gerald Ii Fitzgerald 14Th Earl Of Kildare, Gerald Fitz Gerald Lord Garratt, Henry Na Tuagh Fitzgerald 12Th Earl Of Kildare, Henry Fitzgerald 12Th Earl Of Kildare, Katherine Fitzgerald, Lady Anne Ann Barne Fitzgerald Aungier Anger Arager, Lettice Leigh Fitzgerald, Lord Fitzgerald, Mabell Fitzgerald, Mary Fitzgerald, Mary Jane Fitzgerald, Thomas Fitzedward Fitz Gerald, Thomas Fitzgerald 10Th Earl Of Kildare, Walter Fitzgerald, William Fitzgerald 13Th Earl Of Kildare

Researchers connected through Garrett Offaly 1559–1580

and 1 more tree owner connected with Garrett Offaly 1559–1580

Biography

In 1559, Garrett Fitzgerald-Kildare, Baron of Offaly entered the world in Kilcullen, Kildare, Ireland, born to edward fitzgerald and agnes leigh half sister to joyce culpepper mother of catherin howard queen consort 5th wife to king henry viii of england. Garrett Fitzgerald-Kildare, Baron of Offaly passed away in 1580 in Hertfordshire, England.

Sources

Life Timeline

1559
Birth of Garrett Fitzgerald-Kildare, Baron of Offaly in Kilcullen, Kildare, Ireland
Birth
1580
Death of Garrett Fitzgerald-Kildare, Baron of Offaly in Hertfordshire, England
Death

Oldest Ancestor Line from Garrett Offaly

This ancestor line traces from England (1304) to Kilcullen, Kildare, Ireland (1559) across 9 generations.

Direct Lineage
generations

Frequently Asked Questions

Garrett Offaly (1559–1580) was born in Kilcullen, Kildare, Ireland and died in Hertfordshire, 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 (B) based on cross-tree validation.
Right now, 2 researchers on YourRoots have Garrett 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 9 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.

Garrett Offaly's Ancestors

Pedigree chart — 3 generations on record

Self
Garrett Fitzgerald-Kildare, Baron of Offaly PTP
1559–1580
Kilcullen, Kildare, Ireland
Parents
Unknown
Unknown
Grandparents
Unknown
Unknown
Unknown
Unknown

Garrett Offaly's Descendants