General Roman Calendar. March 4 March: Saint Casimir – optional memorial 7 March: Saints Perpetua and Felicity, Martyrs – memorial 8 March: Saint John of God, Religious – optional memorial 9 March: Saint Frances of Rome, Religious – optional memorial 17 March: Saint Patrick, Bishop – optional memorial 18 March: Saint Cyril of Jerusalem, Bishop and Doctor of the Church – optional memorial 19 March: Saint Joseph, Spouse of the Blessed Virgin Mary – solemnity 23 March: Saint Turibius of Mongrovejo, Bishop – optional memorial 25 March: The Annunciation of the Lord – solemnity April 2 April: Saint Francis of Paola, Hermit – optional memorial 4 April: Saint Isidore, Bishop and Doctor of the Church – optional memorial 5 April: Saint Vincent Ferrer, Priest – optional memorial 7 April: Saint John Baptist de la Salle, Priest – memorial 11 April: Saint Stanislaus, Bishop and Martyr – memorial 13 April: Saint Martin I, Pope and Martyr – optional memorial 21 April: Saint Anselm, Bishop and Doctor of the Church – optional memorial 23 April: Saint George, Martyr – optional memorial 23 April: Saint Adalbert, Bishop and Martyr – optional memorial 24 April: Saint Fidelis of Sigmaringen, Priest and Martyr – optional memorial 25 April: Saint Mark, Evangelist – feast 28 April: Saint Peter Chanel, Priest and Martyr – optional memorial 28 April: Saint Louis Grignon de Montfort, Priest – optional memorial 29 April: Saint Catherine of Siena, Virgin and Doctor of the Church – memorial 30 April: Saint Pius V, Pope – optional memorial May 1 May: Saint Joseph the Worker – optional memorial 2 May: Saint Athanasius, Bishop and Doctor of the Church – memorial 3 May: Saints Philip and James, Apostles – feast 10 May: Saint John of Ávila, Priest and Doctor of the Church – optional memorial 12 May: Saints Nereus and Achilleus, Martyrs – optional memorial 12 May: Saint Pancras, Martyr – optional memorial 13 May: Our Lady of Fatima – optional memorial 14 May: Saint Matthias, Apostle – feast 18 May: Saint John I, Pope and Martyr – optional memorial 20 May: Saint Bernardine of Siena, Priest – optional memorial 21 May: Saint Christopher Magallanes, Priest, and Companions, Martyrs – optional memorial 22 May: Saint Rita of Cascia, Religious – optional memorial 25 May: Saint Bede the Venerable, Priest and Doctor of the Church – optional memorial 25 May: Saint Gregory VII, Pope – optional memorial