1831. Enumerators by Name And Emoluments for Census in Cork City and County.
A cursory glance at the naes would suggest that many are related to the Landed families or Clergymen of the Church of Ireland.
http://www.dippam.ac.uk/eppi/documents/10766/page/239996
Note in the appendix the references to half notes. It was common to send half of a banknote. When a particular condition was fulfilled the other half would be sent.