The Society of St. Vincent de Paul has been solemnly consecrated to the Sacred Heart of Jesus since February 5, 1872. An Act of Consecration was drawn up at the request of the Society in 1872, and this act of consecration is renewed annually by all units of the Society.

Frédéric and six companions founded the Society of St. Vincent de Paul on April 23, 1833. Pope John Paul II beatified Frédéric Ozanam in Paris on August 22, 1997.

St. Vincent de Paul devoted himself entirely to the alleviation of the suffering of the poor. To that cause, he established the Confraternities of Charity, later known as the Ladies of Charity, in 1617. In 1625, he founded the Congregation of the Mission, his community of priests and brothers. With Louise de Marillac, he co-founded...

The medal of the Immaculate Conception was manifested to Sister Catherine Laboure in the Motherhouse of the Daughters of Charity in Paris, France on November 27, 1830.

St. Catherine Laboure entered the Daughters of Charity on April 21, 1830. While still a novice, the Virgin Mary appeared to Catherine and asked her to have a medal struck in her honor. Because of the many miracles that resulted from devotion to it, it became known as the “Miraculous Medal.” Catherine Laboure was canonized...

Blessed Frédéric Ozanam had a great devotion to Mary and declared Our Lady of the Immaculate Conception the patroness of the Society.