In 2000, David Shayler, a former member of Britain's domestic security service MI5, suggested that Lennon had given money to the IRA, though this was swiftly denied by Ono.
Z Ono sta napisala dve protestni pesmi o britanski navzočnosti in delovanju na Irskem, "Luck of the Irish" in "Sunday Bloody Sunday", iz albuma "Some Time in New York City".