Co-founding and forming the Daughters of Charity Rue du Bac 16th century

St. Louise de Marillac

She discovered that charity needs more than generous feeling: it needs formation, order, friendship, prayer, and the courage to cross every social boundary.

Lifespan
1591 - 1660 Aged 69 years
Feast day
May 9
Principal shrine
Chapel of Our Lady of the Miraculous Medal Paris, France
Patron of
Social workers · Widows and, by tradition, Daughters of Charity

The will of God for me will be accomplished, provided I allow myself to be led by Him.

Spiritual Writings of Louise de Marillac, A.5 Documented
01 · Why Follow

The widow who turned contemplative attention into a practical network of Catholic service

Louise de Marillac was born in 1591 into a complicated family situation and educated by Dominican sisters. A desire for religious life was refused, and in 1613 she married Antoine Le Gras. Marriage, motherhood, illness, widowhood, and spiritual anxiety formed the human ground from which her vocation to organized charity emerged.

On Pentecost 1623, amid a crisis of faith and vocation, Louise experienced an interior illumination that steadied her: she would one day live in community serving her neighbor, though the form was still hidden. After her husband’s death in 1625, Vincent de Paul became her spiritual director.

Vincent sent Louise to visit the parish Confraternities of Charity. She listened, inspected accounts, trained members, and saw where goodwill failed without reliable structure. Her gifts were not secondary administration around Vincent’s vision. They were essential to turning local charitable energy into sustained service.

On 29 November 1633, Louise received several country women into her Paris home. With Vincent and Marguerite Naseau, their witness became the Company of the Daughters of Charity. The sisters would not remain behind enclosure: their monastery, Vincent said, would be the houses of the sick and the streets of the city.

Louise formed the sisters spiritually and practically, wrote rules and letters, opened works for abandoned children, the sick, prisoners, and war refugees, and negotiated the institutional life of a new kind of community. She died in Paris on 15 March 1660. Her body is venerated in the Chapel of Our Lady of the Miraculous Medal at 140 rue du Bac.

Louise shows that Catholic charity becomes trustworthy when contemplation takes institutional form: people trained, money accounted for, needs observed, responsibilities shared, and every poor person received as a person rather than a project.

02 · A Life in Time

A life, in years and approximate ages.

  1. c. 1591
    Birth
    Born in Paris
    Louise is born into the Marillac family and later educated at Poissy.
  2. c. 1613
    21
    Marries Antoine Le Gras
    Louise enters married life and later becomes mother to Michel.
  3. c. 1623
    31
    Receives the Lumière of Pentecost
    An interior grace steadies her faith and foreshadows a community devoted to service.
  4. c. 1625
    34
    Widowed; begins collaboration with Vincent
    After Antoine’s death, her spiritual friendship and apostolic collaboration with Vincent de Paul deepens.
  5. c. 1633
    42
    Daughters of Charity begin
    Louise gathers the first sisters in her home and begins their formation for direct service.
  6. c. 1660
    68
    Dies in Paris
    Louise dies after decades of forming and governing the Company.
  7. 1934
    After death
    Canonized
    Pope Pius XI canonizes Louise de Marillac.

Dates are approximate where the surviving record is traditional or incomplete.

03 · Where to Go

One place where this witness remains visible.

04 · Tomb & Relics

Where the body is venerated.

Relic tradition
Tomb tradition

The saint is publicly venerated at a named tomb.

Principal tomb or body site

Body and motherhouse

Paris, France

Louise’s body is venerated in the chapel of the community she co-founded and formed.

  • Body of Saint Louise de Marillac
Pilgrim note

Do not let the better-known medal devotion eclipse the foundress whose disciplined charity helped make this house possible.

Relic context
Documented
06 · Notes & Sources Sources and notes.

We rely on primary writings, official Church and shrine sources, and careful traditional accounts where modern documentation is limited.

Dates and relic traditions are named plainly when they are approximate, traditional, or contested.

Last reviewed August 2, 2026.

Primary sources

Church sources

Shrine sources

Photo credits
  1. Saint page. Eternal Roam devotional rendering. Source. Eternal Roam commissioned generation.
  2. Chapel of Our Lady of the Miraculous Medal. Peter Potrowl / Wikimedia Commons (CC BY-SA 4.0). Source. CC BY-SA 4.0.