LOM Meeting 1The Legion of Mary is an international Catholic association for the purpose of the glory of God through the holiness of its members, developed by prayer and active cooperation in Mary’s and the Church’s work.

We engage in door-to-door evangelization.

We bring the good news of the Scripture and Communion to nursing homes and residential homes.

We meet weekly and always begin with the recitation of the Holy Rosary. 

The largest lay apostolate organization in the world, whose primary purpose is to bring personal sanctification to its members and, secondly, to bring all others into a closer relationship with Jesus through Mary and His Church on earth. The object of the Legion of Mary is the glory of God through the holiness of its members developed by prayer and active cooperation, under ecclesiastical guidance, in Mary’s and the Church’s work of crushing the head of the serpent and advancing the reign of Christ.

The Spirit of the Legion

The spirit of the Legion of Mary is that of Mary herself. Especially does the Legion aspire after her profound humility, her perfect obedience, her angelical sweetness, her continual prayer, her universal mortification, her altogether spotless purity, her heroic patience, her heavenly wisdom, her self-sacrificing courageous love of God, and above all her faith, that virtue which has in her alone been found in its utmost extent and never equalled.

To become a Legionary is to be part of Mary's Army of Angels & Legionnaires. The legionaries hope to render themselves worthy of their great heavenly Queen through their loyalty, their virtues, and their courage. The Legion of Mary is therefore organized on the model of an army, principally on that of the army of ancient Rome, the terminology of which is adopted also. But the army and the arms of legionaries of Mary are not of this world.

The unit of the Legion of Mary is called a praesidium, originally from a Latin word used to designate a detachment of the Roman Legion performing special duty, that is, a section of a military line, a fortified post, or a garrison. Each praesidium is named after a title of Our Blessed Lady (e.g. Mother of Good Counsel), from one of her privileges (e.g. The Immaculate Conception), or from an event in her life (e.g. The Visitation).

A praesidium meets every week, conducted after the manner described in the Legion of Mary Handbook Chapter 18, Order of the Praesidium Meeting, and shall have its own officers (President, Vice-President, Secretary, and Treasurer) and a priest as Spiritual Director.

St. Michael Catholic Church has five praesidia:

  • Mary Help of Christians, adult English
    • Meets Thursdays via Zoom; in person beginning January 2023
    • Contact Ricardo Echon, 925-223-7790
  • Mother of Good Counsel, adult English
    • Meets Wednesdays at 7:30 pm via Zoom; in-person and virtual every 3rd and 5th Wednesdays beginning November 2022
    • Contact Joel Bautista, 925-216-3213
  • Estrella de la Manana, adult Spanish
    • Meets Wednesdays at 8 pm in person at the church's Family Room
    • Contact Irene Moore, 925-493-1335
  • Mother of Mercy, youth English
    • Meets Fridays at 4:30 pm via Zoom
    • Contact Coren Macias, 415-310-1807
  • Our Lady of Fatima, youth English
    • Meets Fridays via Zoom
    • Contact Rhoda Pereira, 510-432-6645

* For Zoom meetings, please contact respective praesidia representatives.

** In-person meetings for Mary Help of Christians and Mother of Good Counsel praesidia are held at the St. Michael Convent, 2nd Floor, Legion of Mary room (Saint Cecilia room).

Every praesidium is under the governance of a higher body called the Curia which comprises multiple praesidia within a region. The next hierarchy following the Curia is Comitium, a group of curiae. Curia and Comitium are lower councils that report to a Senatus. A Senatus is typically the highest council within a country. In certain regions where there are no Senatus, a lower council called the Regia is instituted. The highest governing body of the Legion of Mary to which all Senatus councils throughout the world report is the Concilium Legionis which is based in the Legion's founding country, Ireland.

All the English praesidia at St. Michael's are under the Queen of Peace Curia, which is under the Oakland Comitium and the San Francisco Senatus. Below are diagrams showing the coverage of the San Francisco Senatus (not updated) and all the Senatus and Regia in the US.

SF Senatus Hierarchy

Senatus/Regia in the US


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For direct contact information, see Legion of Mary @ St. Michael's above