: St. Teresa Virgin, Double. October 16 : St. Hedwig Widow, Semi-Double. October 17 : St. Margaret Mary Alacoque Virgin, Double. October 18 : St. Luke Evangelist, Double of the Second-Class. October 19 : St. Peter of Alcantara Confessor, Double. October 20 : St. John Cantius Confessor, Double. October 21 :