
Catherine E. Clifford
Full Professor | Faculy of theology
Profile
Catherine E. Clifford is Professor of Systematic and Historical Theology. Her research interests and publications are focused primarily in the areas of ecclesiology, ecumenism, and the history of the Second Vatican Council, with a particular emphasis on the understanding of conversion and renewal of the churches, the development of doctrines, and the unity and diversity of Christian communions within the world Christian movement. Catherine served as a North American delegate to the Synod âFor A Synodal Church: Communion, Participation, Mission,â held in Rome in 2023â2024. Her recent work reflects on this experience and the ongoing implementation of the Synod. She is a dynamic teacher who enjoys engaging with students from diverse horizons. Her courses explore the changing role and methodologies of theology as it reflects on contemporary issues in service of church and society.
Ph.D. (Theology), University of St. Michael’s College, Toronto
S.T.L., Université de Fribourg, Switzerland
Graduate Certificate, Ecumenical Studies, Ecumenical Institute of Bossey
B.A. (Hons. Religious Studies), University of Waterloo.
Member of the Faculty of Graduate and Postdoctoral Studies
- Ecclesiology
- Vatican II
- Synodality
- Ecumenism
- Sacramental Theology
- World Christianity
- Communities of Grace: A Catholic Theology of Ecclesial Recognition.
A study of Vatican IIâs theology of the Catholic recognition of the ecclesial reality of other Christian churches and communities, its post-conciliar reception and interpretation, and its continuing significance for contemporary ecumenical dialogue. This recognition is the very basis of all Catholic ecumenical commitment. (Under Contract, Liturgical Press) - Vatican II: Event and Mandate. Volume V: North America and Oceania.
This volume is part of a series of commentaries that surveys the intercontinental and intercultural reception of the documents of Vatican II. (Forthcoming 2025, Peeters; also in German Translation: Vatican II: Ereignis und Auftrag. B. V. Herder, Forthcoming 2025.)
Books
- Communities of Grace: A Catholic Theology of Ecclesial Recognition. Â Liturgical Press, (Liturgical Press, Under Contract, 2026).
- Clifford, Catherine E., Massimo Faggioli, Richard Lennan, Ormund Rush, eds. Vatican II: Event and Mandate. Vol. 5: North America and Oceania. Peeters, Forthcoming 2025; also in German Translation: Vatican II: Ereignis und Auftrag. B. 5. Herder, Forthcoming 2025.
- Kristin Colberg, Edward P. Hahnenberg, Massimo Faggioli, Catherine E. Clifford, eds. The Legacy and Limits of Vatican II in an Age of Crisis, Liturgical Press, 2025.
- Clifford, Catherine E. and Stephen Lampe, eds. Vatican II at 60: Re-Energizing the Renewal. Orbis, 2024. [Catholic Media Association Book Awards, 2025: Third Place, âFuture of the Churchâ]
- Sandra Arenas, Edo Bedjira, Catherine Clifford, et al., eds. Das Zweite Vatikanische Konzil â Ereignis und Auftrag. Band 1. Allgemeine EinfĂŒhrung und Hermeneutik. Herder, 2024. [English Edition, Vatican II: Legacy and Mandate. Vol, 1. General Introduction. Peeters, 2025.]
- Clifford, Catherine E. and Faggioli, Massimo, eds. The Oxford Handbook on Vatican II. Oxford University Press, 2023.
- Catherine E. Clifford and Paul-Andre Durocher, âEpilogue,â in Looking to the Laity. Edited by Anne-Louise Mahoney. 129-136. Toronto: Novalis, 2021. [Winner, Third Place, âFuture Churchâ category, Catholic Media Association Book Award, 2022]
Articles and Book Chapters
- âThe Primacy of the Bishop of Rome and the Synod,â One In Christ (2025), Forthcoming.
- Â âWomen: Protagonists in a Synodal Church,â Journal of Moral Theology (2025) Forthcoming.
- Â âPower and the Exercise of Authority in Service to the People of God,â Studia Canonica 58 (2024): 201-223.
- âPope Francis, Synodality, and Christian Unity: Leaning into the Distant Goal of Vatican II,â One In Christ 57, no. 1 (2024): 1-21.
- âBenedictine Wisdom for a Synodal Church,â Eastern Journal of Dialogue and Culture 17, no. 1 (2024): 15-31.
- âStill Receiving the Hierarchy of Truths,â in Concilium 60, no. 1 (2024): 125â134. (Also in German, French, Italian, Spanish translations.)
- Â âPower and the Exercise of Authority in the Service of the People of God,â Studia Canonica 58 (2024): 201-223.
- Â âThe âHierarchyâ of Truths in a New Context,â Theological Studies 85, no. 1 (2024): 10-33.
- âPope Francisâ Synod Reforms Show Voices of the Laity Can No Longer Be Ignored,â National Catholic Reporter (10 May 2023), at:
- âSynodality and the Renewal of Mission in the Archdiocese of Gatineau (Canada): A Case Study,â Studia Canonica (2022) 629-645.
- âToward a Spirituality of Receptive Ecumenism,â in Receptive Ecumenism and Transformative Ecclesial Learning. Edited by Paul D. Murray and Paul Lakeland, 429-438. Oxford University Press, 2022.
- Â âSources for the Study of Vatican II,â in The Cambridge Companion to Vatican II, edited by Richard R. Gaillardetz, 339-352. Cambridge University Press, 2020.
- âPreface,â in Pope Francis, Rejoice and Be Glad: On the Call to Holiness in Todayâs World. Apostolic Exhortation Gaudete et Exsultate. Study Edition. Xiv-xix. Paulist, 2018.
- âThe Priority of Social Justice in the Teaching of Vatican II,â in Turning to the World: Social Justice and the Common Good since Vatican II. 165-177. Edited by G. RomprĂ© and C. N. Still. McGill-Queenâs University Press, 2018.
- âStyle is Substance: John W. OâMalley and the Interpretation of Vatican II,â Theological Studies 79 no. 4 (2018): 745-760.
- “Bringing Home the Synod,” Journey of Encounter: Pilgrims of Hope Embracing Synodality Conference, Concerned Lay Catholics, Saint Jerome’s University, 15-18 June, 2025
- âOne Step Forward on Womenâs Synodal Journey: From Reflection to Action,â WUCWO (World Union of Catholic Womenâs Organizations) and World Womenâs Observatory [webinar], 24 February 2025
- âThe Synod: What Happened? What Didnât? Whatâs Next?â Sacred Heart University Panel Discussion, October 31, 2024:
- âEastern Catholic Churches in Full Communion with Rome: A Model of Future Unity?â Methodist-Roman Catholic International Dialogue, Seoul, South Korea, 21-29 September 2024
- Keynote speaker, âLeaning into the Distant Goal of Vatican II: Pope Francis, Synodality, and Christian Unity,â Pope Francis and the Future of the Church: Prospects and Challenges for Renewal, St Markâs College, 4-6 May 2023
- âAfter Fifty Years: Does Vatican II Still Matter?â Conversations for Our Times, St Basilâs Parish, Ottawa, 6 March 2022, at:
- âWhat is Synodality?â, For A Synodal Church webinar series, Research Center on Vatican II and 21st Century Catholicism, ÎçÒčav, 3 November 2021, at:
- Interview regarding the election of Pope Leo XVI, CBC News Live: ;
- Interview regarding the Election of Pope Leo XVI, CTV News, Ottawa:
- Michael Swan, âCanadian Indigenous, Religious Leaders, Optimistic about New Pope,â Canadian Affairs 9 May 2025, at:
- CBC News Live, Special Coverage, The Death of Pope Francis, Interview with Adrienne Arsenault, 21 April 2025
- Alex Fontaine, âFrançois, Pape du Nouveau Monde, nâest Plus, » Le Devoir, 21 April 2025.
- Interview, Hugh Cameron, âHow Pope Francis Radically Reshaped the Catholic Church,â Newsweek 21 April 2025.
- Interview, Michael Swan, âPope Francis Transformed Church for the Generations,â Canadian Affairs, 21 April 2025, /
- Interview, Luke Mondato, âFrancis Remained a Pastor to the End,â Catholic Register 23 April 2025.
- Interview, Joshua McElwee, âPope Francis Gave Women Vatican Roles but Held Back on Wider Changes,â Reuters, 21 April 2025.
- Mathieu Perrault, âJorge Mario Bergoglio (1936-2025), Quelques AvancĂ©es pour les Femmes, » La Presse 25 avril 2025,
- CBC Special with Piya Chattopadhyay, On the Funeral and Legacy of Pope Francis, Saturday, 26 April 2025.
- Interview, Quinton Amundson, âChurch Expected to Follow Synodâs Pathway,â Catholic Register 1 May 2025,
- Interview (video), Jonathan Monpetit, The National, CBC News, 6 May 2025. The Future of Synodality and the Next Pope.
- lInside the Vatican, Podcast, America Magazine, 28 October, 2024
- l Christopher White, âThe Vatican Synod Agenda Calls for Transparency. But on Women Deacons, Itâs Lacking,â National Catholic Reporter, 31 July 2024
- l Christopher White, âPopeâs Study Groups Reflect Evolving Nature of the Synod Process, Theologians Say,â National Catholic Reporter, 1 May 2024
- Director, Research Centre for the study of Vatican II and 21st Century Catholicism, ÎçÒčav (2011-)
- President-Elect, Catholic Theological Society of America (2025â2026)
- Theological Consultant, Office of the General Synod, 2024â
- North American Delegate, XVI Ordinary General Assembly of the Synod, âFor a Synodal Church: Communion, Participation, Mission,â 2023â2024
- Member (invited), American Society of Theologians (2019â)
- Co-chair, Vatican II Studies Group, American Academy of Religion (2017â2021)
- Consultant, Canadian Conference of Catholic Bishops (CCCB); Commission on Christian Unity, Religious Relations with the Jews, and Interfaith Dialogue (2019â)
- Methodist-Roman Catholic International Dialogue (2017â)
- Global Christian Forum, (2016â2018)
- Editorial Advisory Board, One In Christ (2025-)
- Executive Board, Catholic Theological Society of America (2015â16; 2024-)