4 Jean-Baptiste Vianney, Curé d’Ars, Spiritual Guide, 1859 5 Oswald, King of Northumbria, Martyr, 642 6 The Transfiguration of Our Lord 7 John Mason Neale, Priest, Hymn Writer, 1866 8 Dominic, Priest, Founder of the Order of Preachers, 1221 9 Mary Sumner, Founder of the Mothers’ Union, 1921 10 Laurence, Deacon at Rome, Martyr, 258 11 Clare of Assisi, Founder of the Minoresses (Poor Clares), 1253 John Henry Newman, Priest, Tractarian, 1890 13 Jeremy Taylor, Bishop of Down and Connor, Teacher of the Faith, 1667 Florence Nightingale, Nurse, Social Reformer, 1910 Octavia Hill, Social Reformer, 1912 14 Maximilian Kolbe, Friar, Martyr, 1941 15 The Assumption of the Blessed Virgin Mary 20 Bernard, Abbot of Clairvaux, Teacher of the Faith, 1153 William and Catherine Booth, Founders of the Salvation Army, 1912 and 1890 24 Bartholomew the Apostle 27 Monica, mother of Augustine of Hippo, 387 28 Augustine, Bishop of Hippo, Teacher of the Faith, 430 29 The Beheading of John the Baptist 30 John Bunyan, Spiritual Writer, 1688 31 Aidan, Bishop of Lindisfarne, Missionary, 651 Principal feasts and holy days Festivals Lesser festivals Commemorations