Due to Fagan’s Irish heritage, and the leprechauns who purportedly inhabited the park, Mills Ends Park became dedicated as such, quite appropriately, on March 17, 1948. In 1976, Mill Ends Park became an official city park. Twenty-eight years after its dedication, Mill Ends Park became an official city park in 1976, again on St. Patrick’s Day. Mill Ends Park is the world’s smallest park. In 2011, a man was arrested for protesting at Mill Ends Park.