Upon his death, a requiem Mass was celebrated in St Marys Cathedral by Cardinal George Pell including his predecessor as Archbishop of Sydney, Cardinal Edward Clancy, the Bishop of Lismore, Bishop Geoffrey Jarrett, the Bishop of Broken Bay, Bishop David Walker, Bishop David Cremin and Mons Masso's newly appointed successor, Fr George Rossman.
Upon his passing, a requiem Mass was conducted in St Marys Cathedral by Cardinal George Pell. The service included Cardinals and bishops who had previously held significant positions within the Catholic Church, as well as Monsignor Masso’s new appointee, Fr George Rossman.