December 1
Agericus, bishop (of Verdun), confessor [GTZ: Metz, Verdun]
Bibiana, virgin, martyr [6082]
Candida, virgin [GTZ: Trier, Magdeburg]
Candidus, martyr [GTZ: Salzburg]
Cyriacus, bishop (of Five Churches), martyr [GTZ: Hungary]
Chrysanthus and Daria, martyrs [GTZ: usually France and England]
Didacus [BLS]
Domnolus, bishop (of LeMans) [GTZ: LeMans]
Edmund Campion, Ralph Sherwine, Thomas Ford, William Filby, priests, and companions, martyrs [BLS]
Eligius, bishop (of Noyon), confessor [BLS; GTZ: Bremen, Cologne, Trier, France, one or more religious orders; HCC; PCP (Paris)]
Florentia, virgin [GTZ: Poitiers]
Florentinus, bishop, confessor [GTZ: Tours]
Leontius, bishop (of Fréjus), martyr [GTZ: Aix]
Martin, bishop (of Tours), confessor (Translation (of his head)) [GTZ: Utrecht]
Maurus, bishop (of Five Churches), martyr [GTZ: Hungary]
Nessan (of Cork) [BLS]
Sabinus, Latinus and Exuperantius, martyrs [GTZ: Magdeburg]


December 2
Bibiana, virgin, martyr [common]
Candida, virgin, martyr [WTS (Bruges)]
Ethernan, bishop, confessor [GTZ: Scotland]
Finian, bishop (of Cluain-Iraird) [BLS]
Flavitus [PCP (Paris)]
Longinus, martyr (more often celebrated on Mar 15)
Maurice, soldier, martyr (Reception of his arm) [GTZ: Angers]
Severus and Severinus, brothers, martyrs [GTZ: Utrecht; HCC]
Valeria, virgin, martyr (at Limoges) [GTZ: Paris only; PCP (Paris)]
Victorinus and Fortunatus, martyrs [GTZ: Trier]


December 3
Attala, virgin [GTZ: Strassburg]
Birinus, bishop, confessor [BLS; GTZ: England, Lund]
Cassianus, bishop (of Seben), martyr (Translation) [GTZ: Brixen]
Claudius and companions, martyrs [GTZ: Amiens; PCP (Paris), as Claudrien]
Firminus, bishop (of Metz), confessor [GTZ: Metz, Verdun]
Francis Xavier, priest [common]
Lucius, king, confessor [BLS; GTZ: Chur, Sitten, Constance]
Sola, hermit, confessor [BLS; GTZ: Eichstädt]


December 4
Anno, bishop (of Cologne), confessor [BLS; GTZ: Cologne]
Aper, priest, confessor [GTZ: Genf, Grenoble]
Barbara, virgin, martyr [common]
Dionysius, bishop (of Paris), martyr [PCP (Paris): Notre Dame]
Emerita, virgin, martyr [GTZ: Chur]
John (of Damascus), priest, Doctor of the Church [MR]
Maximus, bishop (of Reji), confessor (Relatio) [GTZ: Thérouanne]
Nicasius, bishop (of Reims), martyr [GTZ: Angers]
Osmund, bishop (of Salisbury), confessor [common; PRI: England]
Peter Chrysogonus, bishop (of Ravenna) [BLS]
Possessor and Firminus, bishops (of Verdun) [GTZ]
Siran, abbot [BLS]


December 5
Ambrose [PCP (Paris)]
Anno, bishop (of Cologne), confessor [GTZ: Magdeburg]
Birinus, priest [BLS]
Dalmatianus, confessor (sometimes martyr) [WTS (Bruges)]
Nicetius, bishop (of Trier) [BLS]
Racho, bishop (of Autun), confessor [GTZ: Autun]
Sabas, abbot [common; GTZ: Prague, one or more religious orders]


December 6
Dionysia, Dativa, and companions, martyrs [BLS]
Nicholas, bishop, confessor [common; HCC, PCP (Paris), WTS (Bruges), 6082, in red]
Peter Paschal, bishop (of Jaen), martyr [BLS]


December 7
Ambrose, bishop, confessor, Doctor of the Church (Ordination and Translation) [common; GTZ: one or more religious orders, Aquileia, Trent; 6082, in red]
Andrew (Octave) [HCC; PCP (Paris); WTS (Bruges)]
Anianus, bishop (of Chartres) (Translation) [GTZ: Chartres]
Babolen, abbot (of St.-Pierre-des-Fosses) (Translation) [GTZ: Paris]
Fara, virgin (at Meaux) [BLS; GTZ: Paris; PCP (Paris), as Fare]
Gerebold, bishop (of Bayeux) [GTZ: Bayeux]
Savin [6082]


December 8
Conception of the Blessed Virgin Mary
Eucharius, bishop (of Trier), confessor [GTZ: Trier, Mainz]
Romaric, confessor [BLS; GTZ: Metz, Toul, Besançon]
Zeno, bishop, confessor [GTZ: Salzburg]


December 9
Anastasia, virgin (at Trier) [GTZ: Trier]
Anne, Mother of Mary [GTZ: Sleswig, Scandinavia (since 1436)]
Casaria, virgin [GTZ: Lebus]
Cyprian, abbot [GTZ: Périgueux; PCP (Paris)]
Felix (of Valois) [BLS: England]
Gerontius, bishop, martyr [GTZ: Bordeaux]
Innocent, pope [WTS (Bruges)]
Joachim, confessor [GTZ: Basel, Chur, Constance]
Leocadia, virgin, martyr [BLS; GTZ: southern France]
Nectarius, confessor [GTZ: Clermont]
Peter Fourier, priest [BLS]
Sebastian, martyr (Translation) [GTZ: Soissons]
Seven Martyrs of Samosata (Hipparchus, Philothea, James, Paragrus, Habebus, Romanus, and Lollianus) [BLS]
Syrus, bishop (of Pavia), confessor [GTZ: one or more religious orders]
Wulfhilde, abbess [BLS]


December 10
Carpophorus and Abundantius, martyrs [GTZ: Minden]
Erconwald [BLS]
Eulalia, virgin, martyr (at Merida) [GTZ: Strassburg, Worms, France; PCP (Paris); 6082]
Gausbert, bishop (of Cahors) [GTZ: Cahors]
Joachim, confessor [GTZ: Lund]
Melchiades, pope, martyr [BLS; GTZ; PRI]
Nicasius, bishop (of Reims), martyr [GTZ: Paris; PCP (Paris)]
Sindulf, bishop (of Vienne), confessor [GTZ: Vienne]
Holy House of Loreto (Translation) [BLS]
Valeria, virgin, martyr (at Limoges) [GTZ: France]


December 11
Arthur Francis Bell, priest, martyr [BLS]
Chlodulph, bishop (of Metz) [GTZ: Metz]
Damasus (I), pope, confessor (sometimes martyr) [common]
Daniel (the Stylite) [BLS]
Fuscian, Victoricus and Gentian, martyrs [BLS; GTZ: Cambrai, Reims; PCP (Paris)]
Paul, bishop (of Narbonne), confessor (Obitus) [GTZ: Narbonne]


December 12
Colman, abbot (in Ireland) [BLS]
Columba, abbot [BLS]
Colentin [BLS: England]
Corentinus, bishop (of Quimper) [GTZ: Tours]
Cormac, abbot (of Glendaloch) [BLS]
Eadburghe, abbess (of Thanet) [BLS]
Epimachus, Alexander, and companions (Ammonarium, Mercutia, Dionysia, and Ammonarium), martyrs [BLS]
Finian, bishop (of Clonard) [BLS: Ireland]
Jeanne Frances de Chantal, nun [MR]
Nicasius [PCP (Paris)]
Oubertus, bishop [WTS (Bruges)]
Valeric, abbot, confessor [GTZ: Utrecht, Reims, Tours]


December 13
Adalbert, bishop (of Cambrai) [BLS]
Anthony Grassi [BLS]
Apra, virgin [GTZ: Poitiers]
Autbert, bishop (of Cambrai), confessor [BLS; GTZ: Magdeburg, Paderborn, Cambrai]
Clare, virgin (sometimes martyr) [WTS (Bruges)]
Eustace and companions [6082, in red]
Gervase and Protase, martyrs (Translation) [GTZ: LeMans, Séez]
Illidius, bishop (of Auvergne) (Translation) [GTZ: Clermont]
Jodocus, priest, confessor [common]
John Marinoni (of Venice) [BLS]
Lucy, virgin, martyr [common; 6082, in red]
Magnus, count (of the Orkneys), martyr (Translation) [GTZ: Norway, Scotland]
Odilia, abbess, virgin [BLS; GTZ: Thüringen]
Ursicinus, bishop (of Cahors) [GTZ: Cahors]


December 14
Drostan, abbot [GTZ: Scotland]
Eutropia, virgin (sister of Nicasius, bishop), martyr [GTZ: Reims]
Fingar, and companions, martyrs [BLS: Ireland]
Folquinus, bishop (of Thérouanne), confessor [GTZ: Thérouanne]
Fortunatus, bishop (of Poitiers) [GTZ: Poitiers]
John (of the Cross), priest, Doctor of the Church [MR]
Narcissius, bishop (of Reims), martyr [BLS]
Nicasius, bishop (of Reims), martyr [HCC; WTS (Bruges), in red]
Spiridion [BLS]
Valerianus [PCP (Paris)]
Zeno, bishop, confessor [GTZ: Agram]


December 15
Anne, Mother of Mary [GTZ: Abo only]
Eusebius, bishop (of Vercelli) [BLS]
Florence, abbot (of Benchor) [BLS]
Judocus, confessor [WTS (Bruges)]
Maximinus, abbot, confessor (at Orléans) [GTZ: Paris, Tours; HCC; PCP (Paris), as Mémin]
Obertus, bishop [WTS (Bruges)]
Odilda [WTS (Bruges)]
Valerianus, bishop, martyr [GTZ: Hungary]


December 16
Adalbert, bishop (of Magdeburg) [BLS]
Adelheidis, empress (virgin) [BLS; GTZ: Mainz, Augsburg, Basel, Besançon]
Ado, bishop (of Vienne) [BLS]
Ananias, Azarias and Misael [GTZ]
Barbara, virgin, martyr [GTZ: Genf, Amiens, Angers, Langres]
Beanus, bishop [BLS]
Candida, virgin [WTS (Bruges)]
Flannan, bishop (of Killaloe) [BLS]
Memmius, bishop (of Châlons-sur-Marne), confessor (Translation) [GTZ: Châlons-sur-Marne]
Sapientia [PCP (Paris)]
Valentine, bishop, confessor [HCC]


December 17
Adelheidis, empress (virgin) [GTZ: Magdeburg, Strassburg]
Begga, widow [BLS]
Ignatius, bishop, martyr [GTZ: Bremen, Salzburg, Trier, Hungary; HCC]
John the Baptist (Reception of his face) [GTZ: Amiens]
Lazarus, bishop (of Marseilles), martyr (sometimes confessor) [GTZ: Metz, Autun, Lyon; PCP (Paris)]
Olympias, widow [BLS]
Psalmodius, hermit [GTZ: Limoges]


December 18
Agricola, martyr [WTS (Bruges)]
Alphea, virgin [WTS (Bruges)]
Flauien [PCP (Paris)]
Flavitus, confessor [GTZ: Sens]
Florinus, confessor (Translation) [GTZ: Trier]
Gatian, bishop (of Tours), confessor [BLS; GTZ: Tours, Rouen]
Magnanius, abbot (of Kilmainham) [BLS]
Manirus, bishop, confessor [GTZ: Scotland]
Rufus and Zosimas, martyrs [BLS]
Wunibald, abbot (at Eichstädt), confessor [BLS; GTZ: Eichstädt, Bamberg, Chur, Merseburg]
Zosimas, monk, confessor [GTZ: Cologne, Stift Wunstorf]


December 19
Avitus, priest, confessor (Translation) [GTZ: Orléans, Sens]
Dioscurus [BLS]
Gregory, bishop (of Auxerre), confessor [GTZ: Auxerre]
Melchiades, pope [WTS (Bruges)]
Meuris and Thea, martyrs [BLS]
Nemesion, and companions (Heron, Ater, and Isidore), martyrs [BLS]
Severinus, martyr (sometimes bishop, confessor) [PCP (Paris); WTS (Bruges)]


December 20
Ammon [PCP (Paris), as Emille]
Mercurius, martyr [WTS (Bruges)]
Paul, hermit [BLS]
Philogonius [BLS]
Thecla, virgin [WTS (Bruges)]
Thomas, apostle (Vigil) [HCC; 6082]
Ursicinus, confessor [GTZ: Basel]


December 21
Edburghe, virgin [BLS]
Honoratus, bishop (of Toulouse) [GTZ: Toulouse]
Peter Canisius, priest, Doctor of the Church [MR]
Thomas, apostle [common; HCC, PCP (Paris), WTS (Bruges), 6082, in red]


December 22
Cyril and Methodius, bishops [BLS]
Didymus, martyr [HCC]
Ethernascus, bishop, confessor [GTZ: Scotland]
Felix, pope [WTS (Bruges)]
Ischyrion, martyr [BLS]
Gregory (of Spoleto), priest, martyr [GTZ: Cologne]
Theodosia, virgin [WTS (Bruges)]
Victoria [PCP (Paris), as Victor]


December 23
Allocus, martyr [GTZ: Scotland]
Bertin [PCP (Paris)]
Caran, bishop, confessor [GTZ: Scotland]
Diaconanus, confessor [GTZ: Scotland]
Eugenia, virgin [WTS (Bruges)]
Fotinus, bishop, martyr [GTZ: Scotland]
John de Kety, priest [MR]
Gregory (of Spoleto), priest, martyr [GTZ: Trier; 6082]
Hartmannus, bishop (of Brixen) [GTZ: Brixen]
Mazota, virgin [GTZ: Scotland]
Servulus [BLS]
Thorlac, bishop (of Skalholt, Iceland), confessor [GTZ: Norway]
Victoria, virgin, martyr (at Rome) [common]


December 24
Vigil of the Nativity of Christ
Irmina, virgin (at Trier) [GTZ: Trier]
Thrasilla and Emiliana [BLS]


December 25
Nativity of Christ
Anastasia, virgin, martyr [common]
Eugenia, virgin, martyr [BLS]


December 26
Comman, abbot [BLS]
Jarlath, bishop (of Tuam) [BLS]
Stephen, protomartyr [common]


December 27
John, apostle, evangelist [common]
Theodore, abbot [BLS]
Zoilus, confessor [GTZ: Aquileia]


December 28
Holy Innocents, martyrs [common]
Theodore, confessor [BLS]


December 29
Ebrulf, abbot, confessor [BLS; GTZ: Lisieux]
Marcellus, abbot [BLS]
Thomas (a Becket), bishop (of Canterbury), martyr [common; PCP (Paris), WTS (Bruges), in red]
Trophimus, bishop (of Arles), martyr (sometimes only confessor) [GTZ: southern France]
Ursinus, bishop (of Bourges), confessor [GTZ: Bourges]
William Howard, martyr [BLS]


December 30
Columban, bishop [WTS (Bruges)]
David, king [common]
Maximus, martyr [BLS]
Perpetuus, bishop (of Tours), confessor [GTZ: Aachen, Tours; PCP (Paris), as Perpetue]
Sabinus, bishop (of Assisi), and companions (Marcellus, Exuperantius, and Venustianus) [BLS]
Ursinus, bishop (of Bourges), confessor [GTZ: Rouen]


December 31
Basil the Great, bishop [of Caesarea], confessor [GTZ: Reims]
Columba, virgin (at Sens), martyr [BLS; GTZ: Strassburg, Basel, France; PCP (Paris)]
Marius, bishop [GTZ: Lausanne]
Melania [BLS]
Sabinianus and Potentianus, bishops (of Sens), martyrs [GTZ: Sens]
Silvester, pope (sometimes only bishop), confessor (sometimes martyr) [common; 6082, in red]


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