Legion of Mary

The Legion of Mary is an international association of the faithful of the Catholic Church who serve the Church on a voluntary basis. It was founded in Dublin, Ireland, as a Roman Catholic Marian Movement by layman Frank Duff. Today between active and auxiliary (praying) members there are over 10 million members worldwide making it the largest apostolic organization of lay people in the Catholic Church. Membership is highest in South Korea, Philippines, Brazil, Argentina and the Democratic Republic of Congo. These countries have between 250,000 and 500,000 members each.