Reports of paranormal activity and ghost sightings have been associated with St. Clair Memorial Hall in Greenville, Ohio, for decades, though specific details are largely based on local legend and anecdotal accounts. The building's age and history contribute to its reputation as a haunted landmark. While concrete records are sparse, paranormal legends surrounding the hall include: Local lore claims that the spirit of Henry St. Clair, who bequeathed $100,000 in his will for the hall's construction, still wanders the premises. Some believe he is the source of strange noises or unexplained occurrences in the hall. A "Downtown Ghost Walk" event was hosted by the Darke County Center for the Arts at the hall in 2022. These types of events often include stories of past paranormal experiences, but specific details from that tour are not widely available. Over the years, stories have circulated of unexplained footsteps, disembodied voices, and doors opening and closing on their own within the building.