| Name | Dates | |
| Lewis Ogden O'Brien | April 5, 1906 | List Cases |
| Louis Ogden O'Brien | April 16, 1906 | List Cases |
| O'Connor | December 16, 1903 - June 11, 1908 | List Cases |
| Keyran J. O'Connor | February 15, 1899 - February 5, 1909 | List Cases |
| Kiernan J. O'Connor | 1898/08/ | List Cases |
| Stephen J. O'Hare | October 26, 1894 - May 22, 1896 | List Cases |
| O'Malley | October 31, 1910 - October 30, 1916 | List Cases |
| James O'Malley | December 5, 1910 - June 25, 1917 | List Cases |
| O'Neil | January 18, 1924 | List Cases |
| Daniel O'Reilly | November 10, 1898 - February 09, 1899 | List Cases |
| Dr. O'Sullivan | April 26, 1896 | List Cases |
| Olcott | February 11, 1915 - December 23, 1919 | List Cases |
| Bronson Olcott | July 14, 1919 | List Cases |
| Neilson Olcott | October 20, 1915 - June 9, 1919 | List Cases |
| Nielson Olcott | April 5, 1915 | List Cases |
| William M. K Olcott | November 01, 1897 | List Cases |
| William L. K. Olcott | March 08, 1900 | List Cases |
| Francis V. S. Oliver | October 26, 1896 | List Cases |
| F. V. S. Oliver | January 11, 1897 | List Cases |
| Osborne | July 11, 1892 - February 17, 1896 | List Cases |
| James W. Osborne | June 18, 1886 - 1990// | List Cases |
| John Osborne | October 19, 1892 | List Cases |
The Crime in New York 1850-1950
digitization project was supported in part by funds from: Metropolitan New York Library Council (METRO) through the New York State Regional Bibliographic Databases Program.Webmaster: libinfo@jjay.cuny.edu