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Professor Siobhan Garrigan
Loyola Professor of Catholic Theology, School of Religion

Academic Qualifications

Ph.D. (2001) Milltown Institute of Philosophy & Theology, Dublin, Ireland. S.T.M. (1992) Union Theological Seminary, Columbia University, New York City, USA. B.A.Hons (1990) Oxford University, England.


Siobhán came to Trinity in 2014 from the University of Exeter. Prior to that, she worked at Yale University, the Galway-Mayo Institute of Technology and the Open University (Ireland). She teaches theology with a particular concentration on issues of social justice. By looking at theology's role in social and political difficulty, her research aims to highlight the many ways theology can also foster dialogue across the boundaries of difference, particularly regarding ecumenism, poverty and matters of identity, such as gender and racial discrimination.

Research Interests

Siobhán’s most recent book is The Real Peace Process: Worship, Politics and the End of Sectarianism, a study of the work yet to be done to change hearts and minds regarding the Irish-British conflict in the Republic of Ireland and Northern Ireland. Her next two books are: A Brief Theology of Home, a theoretical response to the practical experience of contemporary homelessness, and Theology and Song, a study of the sonic theologies of Irish traditional music.

Publications and Further Research Outputs

Peer-Reviewed Publications

Siobhan Garrigan, Review Symposium Manuel Mejido Costoya (Ed.) ( 2021) Land of Stark Contrasts: Faith-Based Responses to Homelessness in the United States New York: Fordham University Press. pp. 363. €32.10, European Journal of Homelessness, 16, (1), 2022, p302 - 305 Review Article, 2022

Reconciliation: The Place of Prayer in Conflict and Peace-Making in, editor(s)Ashley Cocksworth and John C. McDowell , T&T Clark Handbook of Christian Prayer, London, Bloomsbury Publishing, 2021, pp601 - 616, [Siobhán Garrigan] Book Chapter, 2021

Siobhán Garrigan , The Women the Vatican Could Not Silence, 2 November 2019, In:The Women the Vatican Could Not Silence, 2019, Trinity College Dublin Meetings /Conferences Organised, 2019

Siobhán Garrigan, Voices Pope Francis Will Not Hear, 20 August 2018, In:Voices Pope Francis Will Not Hear, 2018, School of Religion, Trinity College Dublin Meetings /Conferences Organised, 2018

Siobhán Garrigan & Marwa Al Sabouni, The Battle for Home, Mountains to Sea Festival, Dun Laoghaire, 25 March 2018, 2018 Invited Talk, 2018

Siobhán Garrigan, Peace as Home: Sectarianism and Homelessness as Twinned Theological Problems, Society for the Study of Theology [proceedings], April 2017, Society for the Study of Theology, 2017, pp1-12 Conference Paper, 2017

The Hermeneutics of Intersubjectivity: A Study of Theologies of Homelessness in, editor(s)Stephan van Erp, Martin Poulsom and Lieven Boeve , Grace, Governance and Globalization - Theology and Public Life, London, Bloomsbury, 2017, pp62 - 76, [Siobhan Garrigan] Book Chapter, 2017

Siobhán Garrigan, Geraldine Mitchell & Una Mannion, Or Would You Rather Be A Fish?, Linenhall, Castlebar, 26 September 2017, 2017 Invited Talk, 2017

Siobhán Garrigan, Keynote Address, Reassembling Democracy? Ritual as Resource, Oslo , 22-25 February 2017, 2017, University of Oslo Invited Talk, 2017

A Flagging Peace in, editor(s)Cláudio Carvalhaes , Liturgy in Post-colonial Perspectives, New York, Palgrave, 2015, pp215 - 222, [Siobhán Garrigan] Book Chapter, 2015

Siobhan Garrigan, Loneliness: Theology's Last Taboo?, Milltown Studies, 76, (1), 2015, p83-89- Journal Article, 2015

Siobhán Garrigan, Irish Theology as White Theology: A Case of Mistaken Identity?, Modern Theology, 30, (2), 2014, p193 - 218 Journal Article, 2014

Siobhán Garrigan, A New Model for Ecumenical Worship, Studia Liturgica, 43, (1), 2013, p32 - 53 Journal Article, 2013

The Ethics of Liturgy and Worship in, editor(s)Juliette Day and Benjamin Gordon-Taylor , The Study of Liturgy and Worship, London, SPCK, 2013, [Siobhán Garrigan] Book Chapter, 2013

Siobhán Garrigan, The Real Peace Process: Worship, Politics and the End of Sectarianism, 2, London, Acumen, 2011, 1 - 240pp Book, 2011

Forgetting without Forgiving: The State of the Peace in Ireland, North and South in, editor(s)Andrea Bieler and Hans-Martin Guttman , After Violence: Religion, Trauma and Reconciliation, Leipzig, Evangelische Verlagsanstalt, 2011, pp167 - 179, [Siobhán Garrigan] Book Chapter, 2011

Is ECUMENICAL Worship a Serious Business? in, editor(s)Melanie Ross and Simon Jones , The Serious Business of Worship, Edinburgh, T + T Clark, 2010, pp159 - 170, [Siobhán Garrigan] Book Chapter, 2010

Siobhán Garrigan, Queer Worship: Theology and Queer Theory in Liturgical Practice, Theology and Sexuality, 52, (3), 2009, p211 - 239 Journal Article, 2009

Siobhán Garrigan and Todd Johnson, Common Worship in Theological Education, Oregon, Wipf and Stock, 2009, 1 - 199pp Book, 2009

Siobhán Garrigan, A Working Theology of the New, LITURGY: Journal of the Liturgical Conference, 23, (1), 2008, p5 - 13 Journal Article, 2008

LITURGY, 23, 1, (2008), 1 - 80p, Siobhán Garrigan and Janet Walton, [eds.] Journal, 2008

Siobhán Garrigan, Intellectuals in the Public Sphere: Habermas, Theology and Worship, The Irish Review, 32, 2004, p39 - 52 Journal Article, 2004

Siobhán Garrigan, Beyond Ritual: Sacramental Theology after Habermas, Abingdon, Oxon, Ashgate, 2004, 1 - 231pp Book, 2004

Siobhan Garrigan, Keynote - Capitalist Christianity and the Paradox of Women"s Power, The Globalization of the Culture Wars? Religion, Gender, and Politics in the Public Square, Edinburgh, 10 November 2022, edited by Rachel Muers and Ulrich Schmeidel Conference Paper,

Non-Peer-Reviewed Publications

Siobhán Garrigan, Street Homelessness and Catholic Theology - Review Symposium, Review of JamStreet Homelessness and Catholic Theological Ethics New York: Orbis Books. pp.320. €40.65, by James F. Keenan and Mark McGreevy (Eds) , European Journal of Homelessness, 14, (1), 2020, p178-181 Review, 2020

Teresa of Avila in, editor(s)Ian Markham , The Blackwells Companion to the Theologians, Oxford, Blackwells, 2009, pp375 - 389, [Siobhán Garrigan] Book Chapter, 2009

Siobhán Garrigan, Worship in a Violent World: Deconstructing Ordinary Liturgies, Reflections, 91, (1), 2004, p45 - 49 Journal Article, 2004

Siobhán Garrigan, Eat, Drink, ALL? of you., The Furrow, 53, (11), 2002, p606 - 611 Journal Article, 2002

Siobhán Garrigan, Putting Life into Liturgy, The Furrow, 51, (2), 2000, p80 - 86 Journal Article, 2000

Siobhán Garrigan, Food, Famine and the Irish Eucharistic Experience, Céide, 3, (2), 1999, p44 - 45 Journal Article, 1999

Planning the Liturgy in, editor(s)Eamon Duffy and Enda Lyons , Celebrating the Triduum, Dublin, Columba Press, 1999, pp29 - 52, [Siobhán Garrigan] Book Chapter, 1999

Siobhán Garrigan, Christian Imaginings of Home: Political Theology after Nationalism, Political Theologies after Christendom, Oxford (Blavatnik Institute), 26 - 30 March 2023, edited by Marietta van ver Tol Conference Paper,

Research Expertise


anti-capitalism; anti-racism; Catholic Theology; Critical theory and Theology; Ecumenical Worship; Feminist theology and philosophy; Homelesness; How race and racism are treated in Theology and Religion; Interfaith worship; LGBTQ Theologies; Liturgy, Worship and Ritual; neo-liberalism; Religion and the media; Religion in Ireland and Northern Ireland; sectarianism; social justice; Theology; Theology and Public Life; Theology and Social Justice; Theology and the Arts