About Thomas Griffitts
Lived 1698 – 1746 (aged 47–48). Thomas Griffitts was an American lawyer, politician and judge.
Thomas Griffitts (1698 – 10 December 1746) was Mayor of Philadelphia on three occasions and judge of the Supreme Court of Pennsylvania.
Griffitts was born in Cork, Ireland, the son of George and Frances Griffitts. He was a Quaker. He emigrated from Ireland in 1716, arriving in Philadelphia via Kingston, Jamaica.
He was a provincial councillor from 1733 to 1742. He was Mayor of Philadelphia in 1729–1731, 1733–1734, and 1737–1738. He also served as Judge of the Supreme Court of Pennsylvania from 1739 to 1743.
Griffitts married Mary Norris, daughter of Isaac Norris, in 1717. They had four children, one of them Hannah Griffitts, but none left surviving issue.
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Important facts
People in Thomas Griffitts's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Thomas Griffitts's
Frequently asked questions
Who was Thomas Griffitts?
Mayor of Philadelphia
When was Thomas Griffitts born?
Thomas Griffitts was born in 1698 in Cork.
When did Thomas Griffitts die?
Thomas Griffitts died on 10 October 1746.
What was Thomas Griffitts's occupation?
Thomas Griffitts was a lawyer, politician and judge.
What nationality was Thomas Griffitts?
Thomas Griffitts was American.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Thomas Griffitts. https://biography.guide/thomas-griffitts/
MLA: "Thomas Griffitts." Biography.guide, https://biography.guide/thomas-griffitts/.
Chicago: "Thomas Griffitts." Biography.guide. https://biography.guide/thomas-griffitts/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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