Thank you for asking, shade343
Both are Catholic groups, but each has a different purpose.
The Legion of Mary -
What do Legionaries do?
ACTIVE members meet weekly (about 1 1/2 hrs.) with their Spiritual
Director usually in a parish to pray, to report on and to receive a
work assignment. A partial list of works includes:
1. Instructing and preparing others to receive the Sacraments
2. Teaching the Catholic faith to children or adults
3. Assisting the pastor with conducting a census of his area
4. Visiting jail inmates, the hospitalized, the homebound sick or
elderly, or residents of nursing homes
5. Distributing rosaries, medals, Catholic literature in a crowd
contact area