1. St. Ansanus, martyr
St. Agericus, or Airy, bishop
St. Tudwal, bishop
St. Eligius, or Eloi, bishop
Bd. Bentivoglia
Bd. John of Vercelli
Bd. Gerard Cagnoli
Bd. Antony Bonfadini
BB. Richard Whiting and his Companions, martyrs
BB. Hugh Faringdon and his Companions, martyrs
Bd. John Beche, abbot and martyr
Bd. Ralph Sherwin, martyr
Bd. Edmund Campion, martyr
Bd. Alexander Briant, martyr

2. St. Bibiana, or Viviana, virgin and martyr
St. Chromatius, bishop
Bd. John Ruysbroeck

3. St. Francis Xavier
St. Lucius
SS. Claudius, Hilaria, and their Companions, martyrs
St. Cassian, martyr
St. Sola 

4. St. Peter Chrysologus, archbishop and doctor
St. Barbara, virgin and martyr
Clement of Alexandria
St. Maruthas, bishop
St. Anno, archbishop
St. Osmund, bishop
St. Bernard of Parma, bishop

5. St. Sabas, abbot
St. Crispina, martyr
St. Nicetius of Trier, bishop
St. Birinus, bishop
St. Sigiramnus, or Cyran, abbot
Bd. Nicholas of Sibenik, martyr
Bd. Bartholomew of Mantua
Bd. John Almond, martyr 

6. St. Nicholas of Myra, bishop
SS. Dionysia, Majoricus, and other martyrs
St. Abraham of Kratia, bishop
Bd. Peter Pascual, bishop and martyr

7. St. Ambrose, bishop and doctor
St. Eutychian, pope
St. Josepha Rossello, virgin

8. The Immaculate Conception of the Blessed Virgin Mary
St. Romaric, abbot 

9. The Seven Martyrs of Samosata
St. Leocadia, virgin and martyr
St. Gorgonia, matron
St. Budoc, or Beuzec, abbot
St. Peter Fourier
Bd. Francis Antony Fasani 

10. St. Miltiades, pope and martyr
SS. Mennas, Hermogenes, and Eugraphus, martyrs
St. Eulalia of Mérida, virgin and martyr
St. Gregory III, pope
The London Martyrs of 1591
BB. John Roberts and Thomas Somers, martyrs

11. St. Damasus, pope
St. Barsabas, martyr
SS. Fuscian, Victoricus, and Gentian, martyrs
St. Daniel the Stylite
Bd. Peter of Siena
Bd. Franco of Grotti
Bd. Hugolino Magalotti
Bd. Jerome Ranuzzi

12. SS. Epimachus and Alexander and other martyrs
St. Finnian of Clonard, bishop
St. Corentin, or Cury, bishop
St. Edburga, virgin
St. Vicelin, bishop
Bd. Thomas Holland, martyr

13. St. Lucy, virgin and martyr
SS. Eustratius and his Companions, martyrs
St. Judoc, or Josse
St. Aubert of Cambrai, bishop
St. Odilia, or Ottilia, virgin
Bd. John Marinoni
Bd. Antony Grassi

14. St. Spiridion, bishop
SS. Nicasius, bishop, and his Companions, martyrs
St. Venantius Fortunatus, bishop
Bd. Bartholomew of San Gimignano
Bd. Conrad of Offida
Bd. Bonaventure Buonaccorsi
Bd. Nicholas Factor 

15. St. Nino, virgin
SS. Valerian and other martyrs in Africa
St. Stephen of Surosh, bishop
St. Paul of Latros
St. Mary di Rosa, virgin
Bd. Mary Margaret d’Youville

16. St. Eusebius of Vercelli, bishop
Bd. Ado, archbishop
St. Adelaide, widow
Bd. Sebastian of Brescia
Bd. Mary of Turin, virgin

17. St. Lazarus
St. Olympias, widow
St. Begga, widow
St. Sturmi, abbot
St. Wivina, virgin 

18. SS. Rufus and Zosimus, martyrs
St. Gatian, bishop
St. Flannan, bishop
St. Winebald, abbot

19. SS. Nemesius and other martyrs
St. Anastasius I, pope
Bd. William of Fenoli
Bd. Urban V, pope

20. SS. Ammon and his Companions, martyrs
St. Philogonius, bishop
St. Ursicinus, abbot
St. Dominic of Silos, abbot 

21. St. Thomas the Apostle
St. Anastasius II of Antioch, bishop and martyr

22. St. Frances Xavier Cabrini, virgin. (Transferred to 3 January)
SS. Chaeremon, Ischyrion, and other martyrs
Bd. Jutta of Diessenberg, virgin
Bd. Adam of Loccurn

23. The Ten Martyrs of Crete
SS. Victoria and Anatolia, virgins and martyrs
St. Servulus
St. Dagobert II of Austrasia
Bd. Hartman, bishop
St. Thorlac, bishop
Bd. Margaret of Savoy, widow

24. St. Gregory of Spoleto, martyr
St. Delphinus, bishop
SS. Tharsilla and Emiliana, virgins
SS. Irmina, virgin, and Adela, widow
Bd. Paula Cerioli, widow

25. The Birthday of Our Lord Jesus Christ
St. Eugenia, virgin and martyr
Many Martyrs at Nicomedia
St. Anastasia, martyr
Bd. Jacopone of Todi

26. St. Stephen, martyr
St. Archelaus, bishop
St. Dionysius, pope
St. Zosimus, pope
Bd. Vincentia Lopez, virgin

27. St. John the Evangelist
St. Fabiola, matron
St. Nicarete, virgin
SS. Theodore and Theophanes

28. The Holy Innocents
St. Theodore the Sanctified, abbot
St. Antony of Lérins

29. St. Thomas of Canterbury, archbishop and martyr
St. Trophimus, bishop
St. Marcellus Akimetes, abbot
St. Ebrulf, or Evroult, abbot
Bd. Peter the Venerable, abbot

30. SS. Sabinus and his Companions, martyrs
St. Anysia, martyr
St. Anysius, bishop
St. Egwin, bishop

31. St. Silvester I, pope
St. Columba of Sens, virgin and martyr
St. Melania the Younger, widow
Bd. Israel