O'Gara, Margaret

Identity area

Type of entity


Authorized form of name

O'Gara, Margaret

Parallel form(s) of name

Standardized form(s) of name according to other rules

Other form(s) of name

Identifiers for corporate bodies

Description area

Dates of existence



Margaret O’Gara (1947-2012) was a regular member of the Faculty of Theology, University of St. Michael’s College, from 1976 to 2012. She obtained her B.A. in English and Philosophy at Trinity College in Washington, DC in 1969, followed by her M.A.R. in Theology at Yale Divinity School in 1971. She completed her Ph.D. in Theology at USMC in 1980 and was promoted to Assistant Professor. She became Associate Professor in 1985, Professor in 1998, and Sisters of St. Joseph of Toronto Chair in Systematic Theology in 2007.

O’Gara’s theological specialty was ecumenical theology, the personally engaged study of the divisions between the Christian churches for the sake of overcoming them. Besides her teaching, research, writing, and extensive public lecturing, she served on five official national or international dialogues between the Roman Catholic Church and other churches: the Anglican-Roman Catholic Dialogue of Canada (1976-93); the Disciples of Christ-Roman Catholic International Commission for Dialogue (1983-2012); the U.S. Lutheran-Roman Catholic Dialogue (1994-2012); the Lutheran-Roman Catholic International Commission for Unity (1995-2007); and the Evangelical-Roman Catholic Dialogue of Canada (2008-2012). She was a member of Bridgefolk, a North American organization for dialogue between Roman Catholics and Mennonites (2002-2012). She served as president of the North American Academy of Ecumenists (1987-89) and the Catholic Theological Society of America (2007-2008). She was a member of the Toronto Archdiocesan Ecumenical Commission (1988-2012). She was a board member of the Collegeville Institute for Ecumenical and Cultural Research (1990-2012). She served as the anglophone theological advisor to the delegation from the Canadian Conference of Catholic Bishops at the World Synod of Bishops (2001). And she was chair of the Theology Department, Toronto School of Theology (2003-2005).

Besides roughly 80 articles, O’Gara published three books: Triumph in Defeat: Infallibility, Vatican I, and the French Minority Bishops (Catholic University of America Press, 1988), The Ecumenical Gift Exchange (Liturgical Press, 1998) and No Turning Back: the Future of Ecumenism (Liturgical Press, 2014).


Legal status

Functions, occupations and activities

Mandates/sources of authority

Internal structures/genealogy

General context

Relationships area

Access points area

Subject access points

Place access points


Control area

Authority record identifier

Institution identifier

Rules and/or conventions used


Level of detail

Dates of creation, revision and deletion




Maintenance notes

  • Clipboard

  • Export

  • EAC

Related subjects

Related places