John O'Connor (priest)

John O'Connor (dates of birth and death needed) was a Roman Catholic priest, professor of moral theology, and author. He is best known for his outspoken stances on social justice issues and his advocacy for the poor and marginalized.

O'Connor served in various capacities within the Catholic Church, often combining his pastoral duties with academic work. Details regarding the specific parishes he served and universities where he taught are needed to complete this entry.

A prolific writer, O'Connor authored numerous books and articles on topics ranging from Catholic social teaching and bioethics to political ethics and the role of the Church in contemporary society. His work often reflected a progressive viewpoint within the Catholic tradition.

Further research is required to provide a more comprehensive biography, including details about his education, specific publications, and significant contributions to theological discourse and social activism. Information regarding any controversies he was involved in would also be beneficial.