May 1

• Africanus, bishop (in Aquit.) [GTZ: Albi]
• Amator, bishop (of Auxerre), confessor [GTZ: France; PCP (Paris)]
• Andeolus, martyr [GTZ: southern France]
• Arigius, bishop (of Gap), confessor [GTZ: Gap]
• Asaph, bishop, confessor [GTZ: Scotland]
• Benignus, martyr [GTZ: Magdeburg]
• Bertha, wife of Gondebert, queen [GTZ: Reims]
• Brioc, bishop, confessor [GTZ]
• Firminus, bishop (of Uzès), confessor (Revelation) [GTZ: Uzès]
• Macarius, bishop (of Comminges) [GTZ: Bordeaux]
• Marculf, abbot, confessor [GTZ: Coutances]
• Orientius, bishop (of Auch), confessor [GTZ: Auch]
• Philip and James (the Less), apostles [common]
• Quiriacus, bishop (of Jerusalem), martyr [GTZ: Troyes only]
• Restituta, virgin, martyr [GTZ: Soissons]
• Sigismund, king (of Burgundy), martyr [GTZ: Switzerland (elsewhere moved to May 2)]
• Walburga, virgin [GTZ; PRI: England]

May 2

• Achius and Acheolus, martyrs [GTZ: Amiens]
• Alpinus, bishop (of Châlons-sur-Marne) (Translation) [GTZ: Châlons-sur-Marne]
• Athanasius, bishop (of Alexandria), confessor, Doctor of the Church [common; PCP (Paris), as Anastasius]
• Bertrand, bishop (of Comminges), confessor (Revelation) [GTZ: Comminges]
• Cassius and Florentius (and Malusius), martyrs (Translation) [GTZ: Cologne]
• Clement, bishop (of Metz), confessor (Translation) [GTZ: Metz]
• Elisabeth, widow (Translation, Elevation) [GTZ]
• Florentius, confessor [GTZ: St. Pol de Léon]
• Gatian, bishop (of Tours), confessor (Translation) [GTZ: Tours]
• Germanus, bishop, martyr [WTS (Bruges)]
• Quintinus, martyr (Elevation) [GTZ: Noyon]
• Sicarius, martyr [GTZ: Périgueux]
• Walbert, bishop, confessor [GTZ: Mainz, Basel]

May 3

• Invention of the Cross
• Alexander, Eventius, and Theodolus, martyrs [common]
• Genius, confessor [GTZ: Lectoure]
• Juvenalis, martyr [GTZ: Metz, France; PCP (Paris)]

May 4

• Anthony, abbot (at Tours) [GTZ: Tours]
• Candidus and Malulfus, bishops (of Senlis) [GTZ: Senlis]
• Corcodemus, deacon [GTZ: Auxerre]
• Florian, martyr [GTZ]
• Godehard, bishop (of Hildesheim), confessor [GTZ: Bamberg, Meissen, Prague, Utrecht, Verdun, Worms, Hildesheim (Translation)]
• Guido, abbot, confessor [GTZ: Speyer, Worms]
• Helena, virgin (at Troyes) [GTZ: Troyes, Auxerre]
• Monica, widow [GTZ: Augustinians; PRI]
• Possessor and Firminus, bishops (of Verdun) (Translation) [GTZ: Verdun]
• Pulchronius, bishop (of Verdun) (Translation) [GTZ: Verdun]
• Quiriacus, bishop (of Jerusalem), martyr [GTZ: Teutonic Knights, France; PCP (Paris)]
• Salvianus, bishop, martyr [GTZ: Amiens]
• Waldrada, abbess, virgin [GTZ: Verdun]
• Walburga, virgin [WTS (Bruges)]

May 5

• Aldelmus, bishop (of Sherbourne), confessor (Translation) [GTZ: London]
• Angelus, martyr [GTZ: Carmelites]
• Audoenus, bishop (of Rouen), confessor (Translation) [GTZ: Rouen]
• Augustine, bishop, confessor (sometimes martyr) (Conversion) [GTZ: Augustinians]
• Britonius, bishop (of Trier), confessor [GTZ: Trier]
• Clarus, bishop, martyr [GTZ: Fréjus]
• Fortunatus, bishop (of Poitiers) [GTZ: Paris; PCP (Paris)]
• Godehard, bishop (of Hildesheim), confessor [GTZ]
• Gengulf, martyr [WTS (Bruges)]
• Hilary, bishop (of Arles), confessor [GTZ: Arles]
• Jovinianus, martyr (at Auxerre) [GTZ: Auxerre]
• Maurontus, abbot [GTZ: Cambrai]
• Nicetius, bishop (of Trier), confessor [GTZ: Toul, Verdun]
• Sacerdos, bishop (of Limoges) [GTZ: Limoges]

May 6

• Eadbert, bishop (of Lindisfarne) [PRI: England]
• John, apostle, evangelist ("a Porta Latina") [common; PCP (Paris), 6082, in red; WTS (Bruges), sometimes in red]
• Matthew, apostle, evangelist (Translation) [6082, in red]
• Melorus, martyr [GTZ: Meaux]
• Valerius and Valerianus, bishops (of Auxerre) [GTZ: Auxerre]

May 7

• Domitian, bishop, confessor [GTZ: Liège]
• Domitilla, virgin, martyr [GTZ: Chur, Sens]
• Domnius, bishop (of Salona), martyr [GTZ]
• Florentinus and Hilarius, martyrs (at Autun) (Translation) [GTZ: Paris]
• Juvenal, confessor [HCC; as martyr; WTS (Bruges)]
• John of Beverly, bishop (of York), confessor [GTZ: England, Norway; PRI: England]
• Juvenalis, martyr [GTZ;HCC]
• Mastidia, virgin (at Troyes) [GTZ: Troyes]
• Nazarius and Celsus, martyrs (Translation) [GTZ: Narbonne]
• Peter Martyr (Translation) [GTZ: Dominicans]
• Serenicus, deacon (at Séez), confessor [GTZ: Séez]
• Silvanus, bishop (of Gaza), martyr [PCP (Paris)]
• Stephen, protomartyr (Translation) [GTZ: Metz, Passau]
• William, bishop (of Bourges), confessor (Translation) [GTZ: Bourges]

May 8

• Beatus [PCP (Paris)]
• Casaria, virgin [GTZ: Fritzlar]
• Desideratus, bishop (of Bourges) [GTZ: Bourges]
• Fuscian, Victoricus and Gentian, martyrs (Translation of Gentian) [GTZ: Amiens]
• Gibrian, priest, confessor [GTZ: Reims]
• Helladius, bishop (of Auxerre) [GTZ: Auxerre]
• John (the Theologian), apostle, evangelist [GTZ: Russia]
• Louis, king, confessor (Translation of his head) [GTZ: Paris; PCP (Paris)]
• Martin, confessor [GTZ: Sens]
• Metronus, confessor [GTZ: Italy]
• Michael, the archangel (Apparition on Monte Gargano) [common; 6082, in red]
• Nicholas, bishop (Translation) [WTS (Bruges)]
• Peter, bishop (of Tarentaise), confessor [GTZ: Genf, Cistercians]
• Simon, a boy, martyr [GTZ: (modern usage)]
• Stanislas, bishop, martyr [GTZ]
• Victor, martyr [GTZ: Switzerland, southern Germany; 6082]
• Wiro, bishop, confessor [GTZ: Utrecht; HCC]

May 9

• Beatus, confessor [GTZ: Constance, Chartres]
• Gengulf, martyr [GTZ: Utrecht; HCC]
• Gerontius, bishop, martyr [GTZ: Magdeburg, Ratzeburg]
• Gordian, martyr [WTS (Bruges), sometimes in red]
• Gregory (of Nazianzus), bishop, confessor, Doctor of the Church [GTZ: one or more religious orders]
• Luke, evangelist (Translation) [GTZ: Bayeux]
• Macarius, abbot, confessor [GTZ: Worms]
• Nicholas (of Myra), bishop, confessor (Translation) [common; PCP (Paris), in red]
• Stephen, protomartyr (Advent) [GTZ: Halberstadt]
• Suitbert, bishop (of Verdun), confessor (Advent) [GTZ: Verdun]
• Timothy, apostle, martyr (Translation) [GTZ: Bayeux]

May 10

• Bede (the Venerable), priest, confessor, Father of the Church [GTZ: England]
• Concessa, virgin [GTZ: Tarbes]
• Comgall, abbot, confessor [GTZ: Scotland]
• Gordian and Epimachus, martyrs [common]
• Lawrence, bishop (of Dublin), confessor (Translation) [GTZ: Rouen]
• Lupus, bishop (of Troyes), confessor (Translation) [GTZ: Troyes]
• Mamertus, bishop [PCP (Paris); WTS (Bruges)]
• Maturinus, priest, confessor (Translation) [GTZ: central France; PCP (Paris)]
• Palladius, bishop (of Bourges) [GTZ: Bourges]
• Quartus and Quintus, martyrs [GTZ: Augsburg]
• Sinerius, martyr (Translation) [GTZ: Clermont]
• Sophia, widow, and daughters (Faith, Hope, and Charity), martyrs [GTZ: Strassburg]

May 11

• Gengulf, martyr [GTZ: Basel, Metz, Strassburg, France; PCP (Paris), as Gendulph]
• Majolus, abbot (of Cluny), confessor [GTZ: Cluniacs, France; PCP (Paris)]
• Mamertus, bishop (of Vienne), confessor [common]
• Nereus and Achilleus, martyrs [WTS (Bruges)]
• Pontius, bishop (of Cimiez), martyr [GTZ: southern France]
• Rufus and Agatimber, bishops (of Metz) [GTZ: Metz]
• Walter, abbot [GTZ: Limoges]

May 12

• Martin, bishop (of Tours), confessor (Subvention) [GTZ: Tours]
• Mary "ad Martires", martyr [WTS (Bruges)]
• Modoald, bishop (of Trier), martyr [GTZ: Trier, Ermld.]
• Nereus and Achilleus, martyrs [common]
• Onesimus, bishop (of Soissons) [GTZ: Soissons]
• Pancratius, confessor (sometimes martyr) [common; HCC, in red]

May 13

• Boniface, martyr [PCP (Paris)]
• Gengulf, martyr [GTZ]
• Hugh, abbot (of Cluny), confessor (Translation) [GTZ: Cluniacs]
• Ingenuinus and Albuinus, bishops (Translation) [GTZ: Brixen]
• Karadocus, priest [GTZ: Brittany]
• Marcellianus, bishop (of Auxerre) [GTZ: Auxerre]
• Servatius, bishop, confessor (sometimes martyr) [common; HCC, in red]

May 14

• Aquillus (Aquillinus), bishop [WTS (Bruges)]
• Audoenus, bishop (of Rouen) [PCP (Paris)]
• Boniface, martyr [common; GTZ: Speyer, Basel, Constance, one or more religious orders, southern France]
• Gengulf, martyr [GTZ: Würzburg]
• Pachomius, abbot, confessor [GTZ: France]
• Victor and Corona, martyrs [GTZ: Bremen, Metz, France]

May 15

• Brendan, abbot, confessor [GTZ: Coutances]
• Dympna, virgin, martyr [GTZ: Cambrai]
• Halvard, martyr [GTZ: Norway]
• Isidore, martyr [HCC; WTS (Bruges); PCP (Paris)]
• Moderannus, bishop (of Rennes) (Translation) [GTZ: Rennes]
• Odorius, martyr [GTZ: Amiens]
• Sophia, virgin, martyr [GTZ]
• Wigbert, prior, confessor (Translation) [GTZ: Fritzlar]

May 16

• Alnobert, bishop (of Séez) [GTZ: Séez]
• Brendan (the Elder), abbot [PRI: England]
• Brendan, abbot, bishop, confessor [GTZ: Switzerland, Scotland]
• Cassius and Victorinus, martyrs [GTZ: Clermont]
• Emanus, martyr [GTZ: Chartres]
• Fidolus, abbot (at Troyes), confessor [GTZ: Troyes]
• Francoveus, monk [GTZ: Nevers]
• Germerius, bishop (of Toulouse) [GTZ: Toulouse]
• Honoratus, bishop (of Amiens), confessor [GTZ: Amiens, Paris; PCP (Paris)]
• Maxima, virgin [GTZ: Fréjus]
• Peregrinus, bishop (of Auxerre), martyr [GTZ: Hildesheim, northern France; HCC]
• Ragnobert, bishop (of Bayeux) [GTZ: Bayeux]
• Terentius, bishop (of Metz) (Translation) [GTZ: Metz]
• Theobald, bishop, confessor [GTZ: Ratzeburg]
• Ubaldo (Baldassini), bishop (of Gubbio) [GTZ: Brixen]

May 17

• Aigulf, abbot and companions, martyrs (Translation) [GTZ: Grasse]
• Ambrose [PCP (Paris)]
• Bernardinus, priest, confessor (Translation) [GTZ: Franciscans]
• Brandan, martyr (sometimes bishop, confessor) [WTS (Bruges)]

May 18

• Elfgive, king [GTZ: Winchester]
• Eric, king (of Sweden), martyr [GTZ: Scandinavia]
• Felix, martyr [PCP (Paris)]
• Geremar, abbot, confessor (Translation) [GTZ: Beauvais]
• Torpetis, virgin, martyr [WTS (Bruges)]

May 19

• Calogerus and Parthenius, martyrs [GTZ: Châlons-sur-Marne]
• Celestine, pope, confessor (Peter de Morono) [GTZ: Celestines; PCP (Paris)]
• Dunstan, bishop (of Canturbury), confessor [GTZ: England; PRI: England]
• Ivo, priest (at Tréguier), confessor [GTZ; PCP (Paris)]
• Patricius, bishop, confessor [GTZ: Russia]
• Peter, bishop (of Tournai), confessor [GTZ: Tournai]
• Pudentiana, virgin, martyr [common]

May 20

• Austregisil, bishop (of Bourges), confessor [GTZ: France]
• Basilla, virgin, martyr [GTZ: Utrecht, Chur]
• Baudelius, martyr (at Nîmes) [GTZ: southern France]
• Bernardino (of Siena), confessor [common]
• Ethelbert, king (of the Angles), martyr [GTZ: England]
• Eustasius, martyr [6082]
• Maximus [PCP (Paris)]
• Protasia, virgin, martyr (at Senlis) [GTZ: Senlis]
• Saturnina, virgin, martyr [GTZ: Paderborn]

May 21

• Ausonius, bishop (of Angoulême), martyr [GTZ: Angoulême]
• Austregesilus, bishop (of Bourges) [PCP (Paris), as Vandrille]
• Godrick, hermit [GTZ: Durham; PRI]
• Helena, queen [WTS (Bruges)]
• Helena, virgin (at Auxerre) [GTZ: Soissons]
• Itisberga, virgin [GTZ: Artois]
• Valens, martyr [GTZ: Augsburg, Krakow]
• Valerius, bishop [HCC]
• Vales, priest (at Auxerre) [GTZ: Sens]

May 22

• Aubert [PCP (Paris)]
• Helena, queen [GTZ: Aquileia, Constance, Krakow, Passau, Prague, Agram]
• Helena, virgin (at Auxerre) [GTZ: Auxerre, Tours]
• Lupus, bishop (of Limoges) [GTZ: Limoges]
• Papia, virgin [WTS (Bruges)]
• Quiteria, virgin, martyr [GTZ: Worms, southern France]
• Romanus, abbot (of Nevers) [GTZ: Sens]
• Ronanus, bishop, confessor [GTZ: Scotland]

May 23

• Translation of Christ [WTS (Bruges)]
• Aemilius (and Castus) [PCP (Paris)]
• Candidus, martyr (Translation) [GTZ: Brixen]
• Desiderius, bishop (of Langres), martyr [common]

May 24

• Desiderius, bishop [PCP (Paris)]
• Dominic, confessor (Translation) [GTZ: Dominicans]
• Donatian and Rogatian, martyrs [GTZ: Utrecht, France; PCP (Paris)]

May 25

• Donatian, martyr [PCP (Paris)]
• Francis, confessor (Translation) [GTZ: Franciscans]
• Gregory (VII), pope, confessor [common]
• Mary James and Mary Salome [GTZ: Carmelites]
• Maximus and Venerandus, martyrs [GTZ: Evreux]
• Urban, pope, martyr [common]

May 26

• Augustine (of Canterbury), bishop, confessor, Apostle to England [GTZ: Bremen, England, France, Scandinavia; PRI: England; WTS (Bruges), as Translation]
• Bede (the Venerable), priest, confessor, Father of the Church [GTZ: Cologne, England]
• Eleutherius, pope, martyr [GTZ: one or more religious orders; PRI]
• Lambert, bishop (of Vence) [GTZ: Embrun]
• Leo, abbot, confessor [GTZ: Troyes]
• Philippo Neri, priest [common]
• Priscus, martyr [GTZ: Auxerre]
• Urbanus (I), pope, martyr [PCP (Paris)]

May 27

• Augustine (of Canterbury), bishop [PCP (Paris)]
• Bede (the Venerable), priest, confessor, Father of the Church [HCC; PRI: England]
• Eutropius, bishop (of Orange), confessor [GTZ: Orange]
• Hildebert, bishop (of Meaux) [GTZ: Meaux]
• John, pope, martyr [GTZ: one or more religious orders; PRI]
• Ragenulf, martyr (Translation) [GTZ: Arras]
• Seraphion, priest [WTS (Bruges)]

May 28

• Bridget (of Sweden), widow (Translation) [GTZ: Scandinavia, Prague]
• Caraunus, martyr (at Chartres) [GTZ: Paris; PCP (Paris)]
• Germanus, bishop (of Paris), confessor [GTZ: western Germany, France; PCP (Paris)]
• Helladius, martyr [GTZ: Russia]
• Hubert, bishop [WTS (Bruges)]
• Liborius, bishop (of LeMans), confessor (Advent) [GTZ: Paderborn]
• Manveus, bishop (of Brieuc) [GTZ: Brittany]
• Rigomerus, bishop (of Meaux) [GTZ: Meaux]
• William, duke, confessor [GTZ: Brixen, southern France]

May 29

• Clarus, bishop (of Lectoure) (Translation) [GTZ: Puy]
• Eutropius, bishop [WTS (Bruges)]
• Germanus, bishop (of Paris) [PCP (Paris)]
• Maximinus, bishop (of Trier), confessor [GTZ; HCC]
• Maximus, bishop, confessor [GTZ: Breslau, France]
• Sisinnius, Martyrius and Alexander, martyrs [GTZ: Trent]
• Winebald, king (of Burgundy), confessor [GTZ: Langres]

May 30

• Felix (I), pope, martyr [common; GTZ: Switzerland, one or more religious orders, southern France]
• Ferreolus and Ferrutius, martyrs (at Besançon) (Translation) [GTZ: Besançon]
• Maximinus, bishop (of Trier) [PCP (Paris)]
• Peregrinus, bishop, confessor [WTS (Bruges)]
• Stephen, king (of Hungary), confessor (Invention of his right hand) [GTZ: Hungary]

May 31

• The Visitation
• Cantius, Cantianus, Cantianilla, (and Protus), martyrs [GTZ: Aquileia, northern Germany; PCP (Paris)]
• Petronilla, virgin [common; WTS (Bruges), sometimes bishop, martyr); PCP (Paris), as Peronnelle]
• Simplicianus, martyr [GTZ: Poitiers]

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