"Lady of Knock" (Irish: Banthiarna Cnoic) is a Marian hymn to Our Lady of Knock, written by Irish singer Dana Rosemary Scallon. The hymn is popular with some Irish Catholics, especially at funeral services. The song tells of the story of Knock in County Mayo, Ireland, where there was an apparition of the Virgin Mary, Saint Joseph, and Saint John the Evangelist at the south gable of Knock Parish Church in 1879.