Gemma Galgani, Italian mystic and saint (died 1903)

Gemma Umberta Maria Galgani, also known as Gemma of Lucca, was an Italian mystic, canonized as a saint in the Catholic Church in 1940. She has been called the "daughter of the Passion" because of her profound imitation of the Passion of Christ. She is especially venerated in the Congregation of the Passion of Jesus (Passionists).

March 12 is the 71st day of the year in the Gregorian calendar; 294 days remain until the end of the year.