John H. O'Brien

John H. O'Brien was appointed the fourth Fire Commissioner of the City of New York by Mayor George B. McClellan, Jr. on January 1, 1906 and served in that position until his resignation on October 10, 1906.[1][2]

Fire appointments
Preceded by Nicholas J. Hayes	FDNY Commissioner 1906	Succeeded by Francis J. Lantry

References

1. "The City Record". Vol. 34, no. 5. New York. 1906. p. 4796.
2. "New Fire Head Turns Down Croker's Order". The New York Times. 1906-01-02. ISSN 0362-4331. Retrieved 2019-09-17.