Servant of God — Founder of the Legion of Mary (1889–1980)
Over a lifetime of apostolic service, Frank Duff composed 108 essays on faith, the Mystical Body, Marian devotion, and the mission of every baptised Catholic. Compiled into five collections by the Concilium Legionis Mariae, his writings remain as urgent and inspiring today as when they were first penned.
Duff presents the Mass as a living, miraculous event that transcends time and space, bringing the faithful directly to Calvary. He argues the Mass is not mere symbolism but the actual Sacrifice of Christ made present — a deeply devotional reflection that rekindles appreciation for the central act of Catholic worship.
Read essayFoundational to the Legion’s spirituality, this essay explains how the baptised form one Body with Christ as the Head. Duff reveals how this doctrine was taught to legionaries from the very first meeting on 7 September 1921 — essential reading for understanding why the Legion exists.
Read essayAll 108 essays are freely available as PDFs on the official Frank Duff Essays website, compiled and maintained by the Concilium Legionis Mariae in Dublin.
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