Marguerite-Marie Alacoque

Marguerite-Marie Alacoque was a French Catholic nun in the 17th century who is best known for her devotion to the Sacred Heart of Jesus. Through her visions and spiritual experiences, she promoted devotion to Jesus' compassionate and loving heart, emphasizing the importance of trusting in His love and mercy. Her efforts led to the widespread practice of the Feast of the Sacred Heart and strengthened Catholic devotional life. Recognized as a saint, she played a key role in popularizing a central aspect of Catholic spirituality centered on Jesus’ divine love and mercy.