Sister Louise de la Miséricorde was a French nun known for her dedication to helping the poor and marginalized in the 17th century. She was a member of the Sisters of Charity, an order founded by Saint Vincent de Paul, which focused on serving the needy through education and healthcare. Her work primarily took place in Paris, where she established various charitable initiatives. Sister Louise's commitment to social justice and compassion made her a significant figure in the development of modern social services within the Catholic Church, influencing future generations of religious and lay workers.