 His health problems also forced him to early retirement from active ministry in 1996.On 6 January 2008, after taking part at a mass in St. Canice's Church, Finglas (where he was formerly parish priest), John O'Brien returned home and died peacefully, aged 76.Oklahoma Museum Network

The Oklahoma Museum Network funded by the Donald W. Reynolds Foundation is a statewide collaboration of five partner museums in the U.S. state of Oklahoma working together to provide hands-on discovery learning and science resources to families, students and educators across the state.