John L. O'Brien

U.S. Senate candidate

Home state: New York
Party: Republican
On the ballot: 1938

0-1

RecordWin–Loss

Total Popular Votes

O'Brien2.1M

Opponents2.5M

Elections run

John L. O'Brien, a Republican politician from New York, ran once for U.S. office, losing the 1938 U.S. Senate election in New York to Robert F. Wagner, receiving 2,058,615 votes (44.92%).

Browse every U.S. Senate election in New York or all 1938 U.S. Senate races.

How many votes has John L. O'Brien received?

John L. O'Brien has received 2,058,615 popular votes across 1 U.S. election, with a career record of 0–1.

Election history

John L. O'Brien’s election history
Year	Office	Result	Votes	Opponent(s)
1938	U.S. SenateNew York	Lost	2,058,61544.92%	Robert F. Wagner Herman J. Hahn O. Martin Olson

Cite this profile. PolitiFinder, “John L. O'Brien: election history & vote totals.” https://politifinder.com/p/john-l-o-brien. Accessed [date].

Compiled by PolitiFinder. Election results from official certified sources and the MIT Election Lab. See Data & sources and methodology. Data last verified July 28, 2026.