John Boyle 

John Boyle  is Chairman of the Department of Catholic Studies at University of St. Thomas, St. Paul. He holds a Licentiate in Mediaeval Studies from the Pontifical Institute of Mediaeval Studies in Toronto and a Ph.D. in Medieval Studies from the University of Toronto. Dr. Boyle writes on Thomas Aquinas and Thomas More. He is editor, with the late Leonard E. Boyle, of St. Thomas Aquinas’ recently discovered Lectura Romana in Primum Sententiarum Petri Lombardi. He has received a National Endowment for the Humanities Fellowship and the Aquinas Medal from the University of Dallas. He also delivered the Aquinas Lecture at the National University of Ireland. He is a Senior Fellow, Center for Thomas More Studies, University of Dallas, and Associate Editor of Logos: A Journal of Catholic Thought and Culture, and a member of the editorial boards of the Thomas Aquinas in Translation series for the Catholic University of America Press and the Theology and Law Series, Pontifical Institute of Mediaeval Studies Publications, Toronto. His latest book, Aquinas on Scripture: A Primer, has been published by the St. Paul Center for Biblical Theology.


Aquinas on Scripture: A Primer (Steubenville: Emmaus Academic, 2023)

The Order and Division of Divine Truth: St. Thomas Aquinas as Scholastic Master of the Sacred Page (Steubenville: Emmaus Academic, 2021). A collection of my essays on St. Thomas Aquinas

Master Thomas Aquinas and the Fullness of Life, Dallas Aquinas Lecture Series 1 (South Bend, IN.: St. Augustine’s Press, 2014).

Editor with L. E. Boyle of Thomas Aquinas, Lectura romana in primum Sententiarum Petri Lombardi (Toronto: Pontifical Institute of Mediaeval Studies, 2006).

Selected Essays

“Formation of Judgment in Thomas More’s Letter 106 to Margaret,” Moreana 59.2 (2022), 233-42.

“Thomas More’s Letter to William Gonell and the Goal of Education,” Moreana 57 (2020), 11-22.

“Thomas More as Theologian in his Dialogue of Comfort Against Tribulation,” Moreana 52 (2015), 11-43.

“Counsel, Comfort and Conscience in More’s Letters to Fellow Prisoner Nicholas Wilson,” Moreana 46, n. 176 (2009), 49-64.

“The Reading of Scripture in Thomas More’s Dialog Concerning Heresies,” Thomas More Studies 3 (2008).

On St. Thomas Aquinas

“Introduction,” St. Thomas Aquinas, Commentary on Romans (Steubenville: Emmaus Academic, 2020), 1-17.

“St. Thomas, Job, and the University Master,” in M. Levering, P. Roszak, and J. Vijgen eds., Reading Job with St. Thomas Aquinas (Washington, DC: The Catholic University of America Press, 2020), 21-41.

“Aquinas on the Procession of the Holy Spirit,” in Matthew L. Lamb, ed., Theology Needs Philosophy (Washington, DC: Catholic University of America Press, 2016), 202-208.

“St. Thomas Aquinas on Creation, Processions, and the Preposition per,” Quaestiones Disputatae 6 (2015), 90-101.

“On the Relation of St. Thomas’s Commentary on Romans to the Summa theologiae,” in Reading Romans with St. Thomas Aquinas (Washington, DC: The Catholic University of America Press, 2012), 75-82.

“Aquinas’ lost Roman commentary: an historical detective story,” in Thomas Aquinas: Teacher and Scholar: The Aquinas Lectures at Maynooth, volume 2: 2002-2010 (Dublin: Four Courts Press, 2012), pp. 71-84.

“Analogy, Necessity, and an Editor’s Anxiety,” in Reason and the Rule of Faith: Conversations in the Tradition with John Paul II (Lanham: University Press of America, 2011), 55-62.

“Thomas Aquinas and his Lectura romana in primum Sententiarum Petri Lombardi,” in Mediaeval Commentaries on the Sentences of Peter Lombard, vol. 2 (Leiden: Brill, 2010), 149-73.

“St. Thomas Aquinas on the Anointing of the Sick (Extreme Unction),” in Rediscovering Aquinas and the Sacraments: Studies in Sacramental Theology (Chicago: Hillenbrand Books, 2009), 76-84.

“The Analogy of ‘Homo’ and ‘Deus’ in St. Thomas Aquinas’s Lectura romana,” Nova et Vetera 6 (2008), 663-67.

“Aquinas’ Roman Commentary on Peter Lombard,” Anuario Filosofico 39 (2006), 477-96.

Portuguese translation of above: “Commentário Romano de Tomás de Aquino a Pedro Lombardo,” in E. Alarcón, ed. Atualidade do Tomismo (Rio de Janeiro: Sétimo Selo, 2008), 21-36.

“Authorial Intention and the divisio textus,” in Reading John with St. Thomas Aquinas: Theological Exegesis and Speculative Theology (Washington, D.C.: Catholic University of America Press, 2005), 3-8.

“The Theological Character of the Scholastic ‘Division of the Text’ with Particular Reference to the Commentaries of St. Thomas Aquinas,” in With Reverence for the Word: Medieval Scriptural Exegesis in Judaism, Christianity and Islam (Oxford: Oxford University Press, 2003), 276-83.

“St. Thomas Aquinas and the analogy of potentia generandi,” The Thomist 64 (2000), 581-92

“The Two-fold Division of St. Thomas’ Christology in the tertia pars,” The Thomist 60 (1995), 439-447.

“The Ordering of Trinitarian Teaching in Thomas Aquinas’ Second Commentary on Lombard’s Sentences,” Recherches de Théologie ancienne et médiévale, Supplementa 1 (1995), 125-36.

“Thomas Aquinas and Sacred Scripture,” Pro Ecclesia 4 (1995), 92-104.

“Is the tertia pars of the Summa theologiae misplaced?” in Proceedings of the PMR Conference 18 (1993-1994), 103-109.

Podcast Episodes

Sigrid Undset’s Kristin Lavransdatter” on Well Read Mom Podcast

Reading the Right Books” on the JSerra Podcast

Thomas Aquinas: The Office of the Wise Man” on Arts of Liberty Podcast: The Examining

“Navigating the Higher Education Decision” on Mary, Mother of Fairest Love Podcast (Season 3, Episode 8)

How Does St. Thomas Help Us Read the Bible?” on Catholic Theology Show


Introduction to new edition of Christopher Dawson, Medieval Essays, part of the Collected Works of Christopher Dawson (Washington: The Catholic University of America Press, 2002), vii-xviii.

“True Fiction” (not my title) – an essay on the late Spanish novelist Jose Maria Gironella, Commonweal, June 20, 2003, p. 30.