The cemetery map offers the following description of what it calls "Sharkey's Corner": "Imposing Monument built by a grieving father. There are no inscriptions."
The only thing I can turn up on the web is this record at findagrave.com:
SharkeyThere was, however, one clue to be found on the scene. Let's take a closer look at that cylindrical object lurking in the monument's shadow...
Birth: unknown
Death: unknown
Sharkey’s refried beans? What does this mean?