O Mary, Conceived Without Sin… (Aspirations To Mary) Blessed Virgin Mary Daily Prayers & Devotions Prayers by Need Prayers to the Saints O Mary, conceived without sin, pray for us who have recourse to thee. Holy Mary, pray for us! Immaculate Heart of Mary, pray for us now and at the hour of our death. Sweet Heart of Mary, be my salvation! Our Lady, Queen of Peace, pray for us!