December II – St. Bibiana, Virgin and Martyr (A. D. 363) – The Lives of the Saints (Rev. Butler)
December IV – St. Peter Chrysologus, Confessor (A. D. 450) – The Lives of the Saints (Rev. Butler)
December V – St. Sabas, Abbot (A. D. 532) – The Lives of the Saints (Rev. Butler)
December IX – St. Leocadia, Virgin and Martyr (A. D. 304) – The Lives of the Saints (Rev. Butler)
December X – St. Melchiades, Pope (A. D. 314) – The Lives of the Saints (Rev. Butler)
December XI – St. Damasus, Pope and Confessor (A. D. 384) – The Lives of the Saints (Rev. Butler)
December XIII – St. Lucy, Virgin and Martyr (A. D. 304) – The Lives of the Saints (Rev. Butler)
December XV – Saint Eusebius, Bishop of Vercelli (A. D. 371) – The Lives of the Saints (Rev. Butler)
December XVII – St. Olympias, Widow (About the year 410) – The Lives of the Saints (Rev. Butler)
December XVIII – Ss. Rufus and Zozimus, Martyrs (A. D. 116) – The Lives of the Saints (Rev. Butler)
December XIX – St. Nemesian, Martyr &c. (A. D. 250) – The Lives of the Saints (Rev. Butler)
December XXI – St. Thomas, Apostle (First Age) – The Lives of the Saints (Rev. Butler)
December XXII – St. Ischyrion, Martyr (A. D. 253) – The Lives of the Saints (Rev. Butler)
December XXIII – St. Servulus, Confessor (A. D. 590) – The Lives of the Saints (Rev. Butler)
December XXIV – Ss. Thrasilla and Emiliana, Virgins (The Lives of the Saints – Rev. Butler)
December XXVI – St. Stephen, The First Martyr (The Lives of the Saints – Rev. Butler)
December XXVII – Saint John the Apostle and Evangelist (The Lives of the Saints – Rev. Butler)
December XXVIII – The Holy Innocents (The Lives of the Saints – Rev. Butler)
December XXX – St. Maximus, Confessor (A. D. 662) – The Lives of the Saints (Rev. Butler)
