About Margaret Brennan
Lived 1831 – 1887 (aged 56). Margaret Brennan was a social worker and nun.
Margaret Brennan (1 July 1831 – 23 August 1887), born in Kingston, Upper Canada, was known as Sister Teresa, and she became a member of the Sisters of St. Joseph in 1852. At that time, the order was just establishing itself in Canada.
Sister Teresa helped lay the foundation of the Sisters of St. Joseph in Ontario, which spread to the western provinces and the Northwest Territories. The sisters still serve in the fields of education, health care, and social work.
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Important facts
Related people
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Contemporaries
People whose lives overlapped Margaret Brennan's
Frequently asked questions
Who was Margaret Brennan?
Canadian nun
When was Margaret Brennan born?
Margaret Brennan was born on 1 July 1831.
When did Margaret Brennan die?
Margaret Brennan died on 23 August 1887.
What was Margaret Brennan's occupation?
Margaret Brennan was a social worker and nun.
Sources & further reading
· DBpedia: Margaret Brennan (nun)
Cite this page
APA: Biography.guide. (2026). Margaret Brennan. https://biography.guide/margaret-brennan-social-worker/
MLA: "Margaret Brennan." Biography.guide, https://biography.guide/margaret-brennan-social-worker/.
Chicago: "Margaret Brennan." Biography.guide. https://biography.guide/margaret-brennan-social-worker/.
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