John Patrick O'Brien
American politician · United States · On the map · Politicians · Lived 1873 to 1951 · aged 78
John Patrick O’Brien was an Irish-American attorney and Democratic politician who served as the 99th Mayor of New York City from January 1 to December 31, 1933.
John Patrick O'Brien is read about 43 times a day, in 8 languages.
A typical day, 30 days to 10 October 2026
The middle day of the days counted, so one week of news cannot move it. The line under it is the last 120 days, one point a day.
Something wrong?Media & music
About this person
Born in Worcester, Massachusetts, to Irish immigrant parents, he earned degrees from the College of the Holy Cross and Georgetown University before moving into municipal law and judicial service in New York. Backed by the Tammany Hall political machine, he won a special election following the resignation of Jimmy Walker and served a single year in office, during which he worked to stabilize the city's finances amidst the Great Depression. He was defeated for re-election and returned to private practice.