He was educated at St Laurence O’Toole Primary School and Red Bend Catholic College, both in Forbes.

[5] Despite both his parents having a strong faith, his father disowned him upon his decision to become a priest, due to the expectation he inherit and manage the family farm as the eldest son.

[7] At the time of his appointment as Bishop of Wilcannia-Forbes, he was the Pauline Fathers' provincial vicar for Australia and rector of the shrine of Mary, Help of Christians.

[9] In April 2014, Pope Francis appointed Macbeth-Green to be Bishop of Wilcannia-Forbes despite his limited experience working in chancery.

He was ordained as a bishop on 3 July 2014 by Papal Nuncio Archbishop Paul Gallagher at Holy Family Church in Parkes.

Macbeth-Green regularly travels across his large diocese in his four-wheel drive and an off-road camper-trailer, accompanied by his dog Mollie, a Maltese-Shitsu.