Feast Day: October 1
Memorial of Saint Therese of Lisieux (1873-1897), French Discalced Carmelite nun known as the Little Flower. Doctor of the Church (declared by Saint John Paul II, 1997). Patroness of missions (USCCB Liturgical Calendar 2026).
Saints Commemorated on October 1
From the USCCB 2026 Liturgical Calendar.