Source: Annual Report of the Board of Police Commissioners of the City of St. Louis, 1870-1892 (incomplete run). In The Mayor's Message: With Accompanying Documents, to the City Council of the City of St. Louis.
Location: St.L / 352 / Sa2m
Last Name:Ahearn
First Name:David
Age:31
Remarks:in list of new appointments on the force
Report:12th Annual Report Year Ending March 31, 1873, In "The Mayor's Message," May Session, 1873
Page:17