Based in Mount Isa where he has been the parish priest at the Good Shepherd Catholic Church since 1992, Lowcock is best known for his community work in North West Queensland, particularly among First Nations people.
[2] Lowcock studied at the Pius XII Provincial Seminary in Brisbane prior to being ordained on 10 August 1973 at St Mary's Catholic School in Bowen where he had obtained his primary education.
[2] Lowcock also established North West Queensland Indigenous Catholic Services Limited, which provides assistance to the disadvantaged, in particular local Aboriginal families.
[11] Apart from his role in Mount Isa, Lowcock was appointed the diocesan administrator of the Roman Catholic Diocese of Townsville following the death of Bishop Michael Putney in 2014.
[13] Lowcock received a Medal of the Order of Australia in the 2004 Queen's Birthday Honours in recognition of his service to North West Queensland through his role in the Catholic Church.