| Source: Annual Report of the Board of Police Commissioners of the City of St. Louis, 1872-1945 (incomplete run) Location: St.L. / 352.2 / Sa2 | |
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| Last Name: | Hennessey |
| First Name: | Wm. |
| Middle Name: | B. |
| Last Name, Alternate Spelling: | Hennessy |
| Age: | 24 |
| Remarks: | in list of patrolmen appointed to the force during the year |
| Report: | 11th Annual Report, Year Ending March 31, 1872 |
| Page: | 14 |
