About Duncan T. O'Brien
Lived 1895 – 1938 (aged 43). Duncan T. O'Brien was an American politician.
Duncan T. O'Brien (March 28, 1895 – September 14, 1938) was an American politician from New York.
Life He was born on March 28, 1895, in New York City. He was an insurance broker, and entered politics as a Democrat.
He was a member of the New York State Senate (19th D.) from 1923 until his death in 1938, sitting in the 146th, 147th, 148th, 149th, 150th, 151st, 152nd, 153rd, 154th, 155th, 156th, 157th, 158th, 159th, 160th and 161st New York State Legislatures; and was Chairman of the Committee on Military Affairs from 1923 to 1924.
He died on September 14, 1938, of a cerebral hemorrhage; and was buried at Saint Raymond's Cemetery in the Throggs Neck section of the Bronx.
Don’t just read it —
keep it.
Full-length biographies made to live with: read them, listen on the way to work, watch them tonight.
- E-book
- Audio
- Video
Instant download · yours to keep · every purchase keeps this site free
Important facts
Related people
Same field, nearest in time
Contemporaries
People whose lives overlapped Duncan T. O'Brien's
Frequently asked questions
Who was Duncan T. O'Brien?
American politician (1895–1938)
When was Duncan T. O'Brien born?
Duncan T. O'Brien was born on 28 March 1895.
When did Duncan T. O'Brien die?
Duncan T. O'Brien died on 14 September 1938.
What was Duncan T. O'Brien's occupation?
Duncan T. O'Brien was a politician.
What nationality was Duncan T. O'Brien?
Duncan T. O'Brien was American.
Sources & further reading
· Wikipedia: Duncan T. O'Brien
Cite this page
APA: Biography.guide. (2026). Duncan T. O'Brien. https://biography.guide/duncan-t-o-brien/
MLA: "Duncan T. O'Brien." Biography.guide, https://biography.guide/duncan-t-o-brien/.
Chicago: "Duncan T. O'Brien." Biography.guide. https://biography.guide/duncan-t-o-brien/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
Page generated 2026-09-27 05:21 UTC