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|Representing the United States|
|1932 Lake Placid||Four-man|
|1928 St. Moritz||Five-man|
Jay James O'Brien (February 22, 1883 – April 5, 1940) was an American bobsledder who competed in the late 1920s and early 1930s. He won two medals at the Winter Olympics with a gold in the four-man event at Lake Placid, New York in 1932 and a silver in the five-man event at St. Moritz in 1928.
- Bobsleigh five-man Olympic medalists for 1928
- DatabaseOlympics.com profile
- Wallenchinsky, David. (1984). "Bobsled: Four-Man". In The Complete Book of the Olympics: 1896-1980. New York: Penguin Books. p. 560.
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