Over the years, the McShains began visiting Ireland and in 1956 acquired Kenmare House together with  in Killarney in County Kerry. He and his wife extensively renovated the building and renamed it Killarney House.
The McShains' visits to Ireland led to their acquisition of Kenmare House in 1956, along with another property in Killarney, County Kerry. They undertook significant renovations to the building, renaming it Killarney House.