John P. O'Brien

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John P. O'Brien
O'Brien in 1920
98th Mayor of New York City
In office January 1, 1933 – December 31, 1933
Preceded by	Joseph V. McKee
Succeeded by	Fiorello H. La Guardia
Personal details
Born	John Patrick O'Brien February 1, 1873 Massachusetts, U.S.
Died	September 22, 1951 (aged 78) New York City, New York, U.S.
Political party	Democratic
Spouse	Helen E.C. Madigan
Alma mater	College of the Holy Cross (BA) Georgetown University (AM, LLB)
Profession	Attorney

John Patrick O'Brien (February 1, 1873 – September 22, 1951) was an Irish-American politician who served as the 98th Mayor of New York City from January 1 to December 31, 1933.