Lives Of The Saints
March 15
St. Louise de Marillac
Louise de Marillac is the co-founder of the Daughters of Charity, the practical organizer who turned Vincent de Paul's vision of service to the poor into a working institution.

Brief life
Louise de Marillac was the practical builder behind the work that Vincent de Paul founded. She was born in 1591, possibly illegitimate, was married young to Antoine Le Gras, bore one son, and was widowed when she was thirty-four. Her encounter with Vincent de Paul began the second half of her life and the first half of what would become the Daughters of Charity. Vincent had organized networks of ladies to serve the sick poor, but found that wealthy women could not sustain the daily demands of direct service. Louise began training the country girls who could, and from that practical insight came the congregation.
What was genuinely new about the Daughters of Charity deserves attention: they took no formal enclosure, lived together in small groups, wore a simple working dress, and served in hospitals, schools, and homes for the poor with a directness that women religious had not been permitted before. The tension between this new form and traditional expectations of enclosed religious life is something Louise navigated carefully for decades. She died in 1660, a few months before Vincent himself, and was beatified in 1920 and canonized in 1934. Her correspondence with Vincent — long, detailed, and revealing of both minds — is among the richest material for understanding how the congregation was actually built: not by inspiration alone but by argument, practical judgment, and steady revision of what was not working.
Keep reading
Nearby saint lives
Move through the calendar without leaving the saint library. These nearby feast-day lives help keep the reading trail connected.
Pray with this saint
Carry this saint into prayer
If this life stirred a particular need, keep going with the closest prayer links in the library.