Biography challenges century-long clerical hagiography of Cork pioneer priest, John Therry
Book launched at Consulate General of Ireland in Sydney 27 June 2026
New research drawing on extensive Irish and Australian manuscripts reveals that Fr John Joseph Therry (1790-1864), a native of Cork — long celebrated as the saintly founder of Australian Catholicism — accumulated an 85,000 acres’ property portfolio and regularly engaged in unethical commercial dealings in the penal colonies of New South Wales and Van Diemen’s Land.
John Joseph Therry: Irish landlord, merchant and priest in the Australian colonies, written by Dr Damian John Gleeson, offers the most comprehensive assessment to date of Therry’s significant commercial affairs.
Launch Endorsement
Speaking at the book launch, at the Consulate General of Ireland, Sydney, Robert Fitzgerald AM described the biography as a major contribution to Irish-Australian historical scholarship.‘This remarkably thorough research gives us a rich and compelling understanding of the extraordinarily complex and contradictory character of Fr Therry, whose enormous estate benefited the Jesuits.‘For the first time this book exposes the many dimensions of Therry and enables a fuller assessment of his enormous influence on both the Catholic Church and colonial society’, Mr Fitzgerald said.
In this first lay‑authored biography of Therry, Dr Gleeson overturns more than a century of hero-style clerical writing.
A complex and contradictory colonial figure
Appointed Catholic chaplain to New South Wales, Therry arrived at Botany Bay in May 1820. Over more than four decades of ministry across NSW and VDL he became:
- a zealous and outspoken advocate for the Irish convicts and emancipists
- a determined participant in land acquisition and all matter of business ventures
- the writer, witness, executor and beneficiary of dozens of Irish estates
The study reveals that Therry, a member of a Cork merchant family, actively pursued property holdings, ultimately controlling an extensive portfolio stretching from Sydney, St George, and Parramatta to Campbelltown, Pittwater, Windsor, Dungog, Bong Bong, and Holbrook.
Wealth, Legacy and Controversy
Therry died a wealthy man at Balmain in 1864. His substantial estate — bequeathed entirely to the Irish Jesuits — generated significant tension with Archbishop John Bede Polding and sparked a decade‑long legal dispute with Therry family members. The book confronts a question rarely addressed directly by historians: Did the ends justify the means? Therry’s estate ultimately enabled the Jesuits to come to Australia and to establish colleges, including Saint Ignatius’ College, Riverview.
John Joseph Therry: Irish landlord, merchant and priest in Colonial Australia.
PUBLISHER: COLONIAL PRESS
PO Box 343, Goulburn NSW Australia 2580
Orders and enquiries: colonialpressorders@gmail.com
AUTHOR
Dr Damian John Gleeson is an Australian historian of Irish heritage who holds doctoral qualifications in history from the University of New South Wales (2006) and the University of New England (2024). He publishes regularly in Ireland and Australia.
Author’s selected publications: • Irish Bigamy: New Insights into Colonial New South Wales (2025) • An Enduring Flame: St Patrick’s Mortlake, 1885–2020 (2021) • The Rock of St George (2017).
Tinteán 