April 1
Cantius, Cantianus, Cantianilla, martyrs (Advent) [GTZ: Hildesheim]
Donatus, martyr [GTZ: Bremen]
Ferreolus, bishop (of Uzès), confessor (Translation) [GTZ: Uzès]
Francis de Paola, hermit [MR]
Gilbert, bishop (of Caithness), confessor [BLS; GTZ: Scotland]
Hugh, bishop (of Grenoble), confessor [BLS; GTZ: southern France, Carthusians]
Mary Magdalene (Conversion) [GTZ: Salzburg]
Melito, bishop (of Sardes), confessor [BLS]
Pontius, martyr [WTS (Bruges)]
Theodora, virgin, martyr [GTZ]
Valeric, abbot, bishop (in Auvergne), confessor (Translation) [GTZ: Amiens; HCC; PCP (Paris)]


April 2
Apian, martyr [BLS]
Bronacha [BLS: Kill-Broncha]
Constantius, king (of Scotland) [BLS]
Ebba, and companions, virgins, martyrs [BLS]
Francis de Paola, confessor [common]
Guthlac [PRI: England]
John Payne, priest, martyr [BLS]
Mary (of Egypt) [GTZ: Gnesen, Strassburg, France, one or more religious orders; PCP (Paris)]
Nicetius, bishop (of Lyon), confessor [BLS; GTZ: Lyon]
Nychasius, bishop [HCC]
Theodosia, virgin, martyr [BLS]


April 3
Agape, Chionia, Irene, and companions, martyrs [BLS]
Florentius, bishop (of Strassburg) (Translation) [GTZ: Strassburg, Basel]
Nicetas, abbot [BLS]
Pancratius, martyr [PCP (Paris); WTS (Bruges)]
Richard, bishop (of Chichester), confessor [BLS; GTZ: England; PRI: England]
Ulpian, martyr [BLS]


April 4
Ambrose, bishop, confessor [common]
Claudius, martyr [GTZ: Russia]
Isidore, bishop (of Seville), confessor, Doctor of the Church [common; GTZ: Spain, Sens]
Plato, abbot [BLS]


April 5
Agape and companions, virgins [GTZ: Aquileia]
Beccan, confessor [BLS: Ireland]
Claudian, martyr (somtimes only confessor) [HCC; WTS (Bruges)]
Gerald, abbot (of Suauve) [BLS; GTZ: Limoges]
Irene, martyr [PCP (Paris)]
Tigernach, bishop, confessor [BLS]
Vincent Ferrer (de Valencia), priest, confessor [common; GTZ: Dominicans]


April 6
Celestine, pope [common]
Celsus McAedh, bishop (of Armagh) [BLS]
One Hundred and Twenty Martyrs of Hadiab [BLS]
Prudentius, bishop (of Troyes) [BLS; GTZ: Troyes]
Sixtus (I), pope, martyr [BLS]
Timothy [PCP (Paris)]
William, abbot (of Eskille) [BLS]
Winebald, abbot (at Troyes), confessor [GTZ: Troyes]


April 7
Aibert [BLS]
Aphraates, anchoret [BLS]
Celestine, pope [GTZ]
Finian [BLS]
Hegesippus, confessor [BLS; GTZ: Utrecht]
Herman Joseph, confessor [BLS]
Jean Baptiste de la Salle, priest [MR]
Macarius [PCP (Paris)]
Sixtus, pope [WTS (Bruges)]


April 8
Aedicius [BLS]
Albert, bishop (of Jerusalem) [BLS]
Apollinaris [PCP (Paris)]
Callistus, pope [WTS (Bruges)]
Celestine, pope [GTZ; HCC]
Dionysius (of Corinth), bishop, confessor [BLS]
Maximinus, bishop (of Aix), confessor (Translation) [GTZ: Aix]
Perpetuus, bishop (of Tours) [BLS]
Walter, abbot (of St. Martin's near Pontoise) [BLS]


April 9
Dotto [BLS]
Eupsychius, martyr [BLS]
Fridestan, bishop [GTZ: Winchester]
Gaucher, abbot [BLS]
Hugh, bishop (of Rouen), confessor [GTZ: Rouen]
Mary (of Egypt) [common]
Massylitan Martyrs [BLS]
Monica, widow (Translation) [GTZ: Augustinians]
Prochorus [PCP (Paris)]
Roman Captives in Persia, martyrs [BLS]
Seven Virgins, martyrs [GTZ: Basel, Amiens]
Theodosia, virgin [WTS (Bruges)]
Waltrude, matron [BLS; GTZ: Mons (Transitus)]
Zosimus [BLS]


April 10
Appollonius, priest [HCC]
Bademus, abbot, martyr [BLS]
Ezekiel, prophet [WTS (Bruges)]
Mechtildes, abbess [BLS]
Palladius, bishop (of Auxerre) [GTZ: Auxerre]
Godobert, bishop (of Angers) [PCP (Paris), as Profer]


April 11
Aedh, abbot [BLS]
Antipas, martyr [BLS]
Godeberta, virgin [GTZ: Noyon]
Guthlac, hermit, confessor [BLS: Abbey of Croyland; GTZ: England]
Isaac, monk, confessor [GTZ: Bamberg]
Leo (I, the Great), pope, confessor [common]
Maccai, abbot [BLS]
Stanislas, bishop, martyr [MR; GTZ: Krakow (Death)]


April 12
Constantine, bishop (of Gap), confessor [GTZ: Gap]
Erkenbodo, bishop (of Thérouanne), confessor [GTZ: Thérouanne]
Julius, pope [BLS; WTS (Bruges), as bishop]
Marcellus [PCP (Paris), as Marcel]
Odilo, abbot, confessor [GTZ: Chartres]
Sabas (the Goth), martyr [BLS]
Tetricus, bishop (of Auxerre) [GTZ: Auxerre]
Victor (of Braga) [BLS]
Zeno, bishop (of Verona), confessor [BLS; GTZ: Salzburg]


April 13
Caradoc, priest, hermit [BLS]
Eufemia, virgin, martyr [GTZ: (not everywhere); HCC; PCP (Paris)]
Eusebius (Eusebia), virgin [WTS (Bruges)]
Hermenegild, martyr [BLS; PRI: England]
Guinoch [BLS]
Martin (I), pope, martyr [MR]
Valerianus [PCP (Paris)]


April 14
Anthony, John, and Euatachius, martyrs [BLS]
Benezet [BLS: Avignon]
Carpus, bishop (of Thyatira), Papylas, deacon, and Agathodorus, martyrs [BLS]
Euphemia [PCP (Paris)]
Justin Martyr [BLS]
Ledwina, virgin [BLS]
Tiburtius, Valerian, and Maximus, martyrs [common; HCC, without Maximus; PCP (Paris), as Valerien]


April 15
Basilissa and Anastasia, martyrs [BLS]
Helena, queen [GTZ: Salzburg, Five Churches; HCC]
Invelta, virgin [GTZ: St. Pol de Léon]
Munde, abbot [BLS]
Olimpiadis, virgin, martyr [WTS (Bruges)]
Paternus, bishop (of Avranches) [BLS]
Peter Gonzales (Telm, Elm), confessor [BLS]
Primus [PCP (Paris)]
Ruadhan, abbot [BLS]


April 16
Anicetus [PCP (Paris), as Anacletus]
Benedict Joseph Labre, confessor [BLS]
Callistus, pope, (and companions), martyrs [GTZ: Mainz; HCC]
Drogo, recluse, confessor [BLS]
Eighteen Martyrs of Saragossa [BLS]
Engratia, virgin, martyr (at Saragossa) [BLS; GTZ: Auch, Spain]
Fructuosis, bishop (of Braga) [BLS]
Isidore, martyr [GTZ: one or more religious orders]
Joachim (of Siena) [BLS]
Magnus, earl (of the Orkneys), martyr [common]
Paternus, bishop (of Vannes), martyr [GTZ: Vannes]
Turibius, bishop (of Astorga) [BLS]
Turibius, bishop (of LeMans) [GTZ: LeMans]
Vasius, bishop (of Saintes), martyr [GTZ: Saintes]


April 17
Anicetus, pope, martyr [common]
Donanus, abbot [GTZ: Scotland]
Henry Heath [BLS]
Leonidas [PCP (Paris)]
Peter, confessor [HCC; WTS (Bruges), as deacon]
Simeon, bishop (of Ctesiphon), and companions, martyrs [BLS]
Stephen Harding, abbot (of Citeaux), confessor [BLS]


April 18
Apollonius (the Apologist), martyr [BLS]
Eleutherius, bishop, and Ancia, his mother, martyrs [GTZ: Magdeburg, Ratzeburg, southern France]
Galdin, bishop (of Milan) [BLS]
Laserian, bishop (of Leighlin, Ireland) [BLS]
Mappalicus (Mapolice) [PCP (Paris)]
Marie de l'Incarnation, virgin [BLS]
Perfectus, martyr [GTZ: Paris]
Renatus, bishop (of Angers) (Translation) [GTZ: Angers]
Ursmar, bishop, confessor [GTZ: Liège, Cambrai]


April 19
Anthony, martyr [HCC]
Carissimus and Dulcissimus, martyrs [GTZ: Bamberg]
Eleutherius, bishop [WTS (Bruges)]
Elphege, bishop (of Canterbury), martyr [BLS; GTZ: England; PRI: England]
James Duckett, martyr [BLS]
Kanute, king, martyr (Translation) [GTZ: Odense]
Leo (IX), pope, confessor [common]
Perfectus [PCP (Paris), as Profert]
Ursmar, bishop, confessor [BLS]


April 20
Adalar, bishop, martyr [GTZ: Mainz]
Agapitus, martyr (Invention (of his head) [GTZ: Besançon]
Agnes (of Montepulciano), virgin, abbess [BLS]
Apollinus, martyr [WTS (Bruges)]
James (of Scavonia) [BLS]
Mamertinus and Marianus, martyrs [GTZ: Auxerre]
Marcellinus, bishop (of Embrun), confessor [GTZ: southern France]
Senesius, martyr [GTZ: Augsburg]
Serf, bishop (of Orkney) [BLS]
Soter [PCP (Paris), as Gobert]
Thomas Tichborne, martyr [BLS]
Victor, bishop, martyr [GTZ: Bremen, Krakow, Regensburg, Strassburg]


April 21
Anastasius, bishop (of Antioch) [BLS]
Anastasius the Sinaite, anchoret [BLS]
Anastasius the Younger, bishop (of Antioch), martyr [BLS]
Anselm, bishop (of Canterbury), confessor, Doctor of the Church [common; PRI: England]
Beuno, abbot (of Clynnog, Carnarvonshire) [BLS]
Eingan, king (of the Scots) [BLS]
Malrubius, martyr [BLS]
Marcellus, bishop [WTS (Bruges)]
Victor [PCP (Paris)]
William, confessor [GTZ: Cluniacs]


April 22
Aprunculus, bishop (of Trier) [GTZ: Trier]
Azades, Tharba, and companions, martyrs [BLS]
Caius, pope, martyr [common]
Dionysius (sometimes bishop or pope) and companions (Rusticus, Eleuterius), martyrs (Invention) [GTZ: Augsburg, France; PCP (Paris)]
Epipodius and Alexander, martyrs [BLS]
Formatus, bishop, martyr [WTS (Bruges)]
Fortunatus, martyr [WTS (Bruges)]
Ipipodius, martyr [GTZ: Lyon]
Leo, bishop (of Sens), confessor [GTZ: Sens]
Leonides, martyr [BLS]
Opportuna, virgin, abbess (of Montreuil) [BLS; GTZ: Genf, Angers, Paris, Séez; PCP (Paris)]
Rufus, anchoret [BLS]
Soter, pope, martyr [BLS; GTZ: one or more religious orders; PRI]
Theodore (of Siceon), bishop [BLS]


April 23
Adalbert, bishop (of Prague), martyr [common]
Felix, Fortunatus and Achilleus, martyrs (at Valence) [GTZ: southern France]
George, martyr [common; WTS (Bruges), 6082, in red]
Gerard, bishop (of Toul) [common]
Ibar (McLugni), bishop (of Beg Erin) [BLS]
John, bishop (of Holar), confessor [GTZ]
Pusinna, virgin [GTZ: Minden]
Regulus, bishop (of Senlis), confessor [GTZ: France]


April 24
Adalbert, bishop (of Prague), martyr [GTZ: Salzburg, Augsburg, Eichstädt]
Alexander and companions, martyrs [GTZ: Lyon]
Bova and Doda, virgins [BLS; GTZ: Reims]
Dismas (the Good Thief) [BLS]
Egbert, priest [PRI: England]
Eutropis, martyr [WTS (Bruges)]
Fidelis (of Sigmarengen) [common]
George, martyr [GTZ: Aquileia, Augsburg, Salzburg, Gnesen, Prague, northern Italy, Hungary]
Ludger, bishop (of Münster), confessor (Deposition) [GTZ: Münster]
Mellitus, bishop (of Canterbury), confessor [BLS; PRI: England]
Norbert, bishop (of Magdeburg), confessor (Translation) [GTZ: Praemonstrensians]
Robert, abbot (of Chaise-Dieu, Auvergne), confessor [BLS; GTZ: Cluniacs, southern France; PCP (Paris)]
Shadrach, Meschach, and Abednego [HCC]
Victoria, virgin [GTZ: Apt]
Wendelin, confessor [GTZ: Mainz]
Wilfrid, bishop (of York), confessor (Translation) [GTZ: York]


April 25
Anianus, bishop (of Alexandria) [BLS]
Floribert, bishop, confessor [GTZ: Liège]
George, martyr [GTZ: Chur]
Ivo, bishop [BLS]
Kebius, bishop [BLS]
Macull [BLS: Ireland]
Mark, evangelist, martyr [common]
Phaebadius, bishop (of Agen) [BLS]
Rusticus, bishop (of Lyon), confessor [GTZ: Lyon]


April 26
Benignus, martyr (at Dijon) (Translation) [GTZ: Langres]
Cletus and Marcellinus, popes, martyrs [common; GTZ: Mainz; HCC, PCP (Paris), without Marcellinus]
Pascharius Radbert, abbot [BLS]
Peter Canisius, Doctor of the Church [BLS]
Richarius, abbot [BLS]
Trudpert, martyr [GTZ: Salzburg]


April 27
Alpinianus, priest [GTZ: Limoges]
Anastasius, pope, martyr [common; GTZ: Worms]
Anthimus, bishop, and companions, martyrs [BLS]
Egbert [BLS]
Gaudius, martyr [GTZ: Aix]
Germanus, bishop, confessor [GTZ: Agram]
Zita, virgin [BLS]


April 28
Aphrodisius, bishop (of Béziers) and companions, martyrs [GTZ: Narbonne]
Artemius, bishop (of Sens), confessor [GTZ: Sens]
Cronan, abbot (of Roscrea, Ireland) [BLS]
Didymus and Theodora, martyrs [BLS]
Lambert, bishop, martyr (Translation (Commemoration)) [GTZ: Liège]
Liborius, bishop (of LeMans), confessor (Translation) [GTZ: Paderborn, LeMans]
Louis Marie Grignon de Montfort, confessor [BLS]
Pamphilus, bishop, confessor (sometimes martyr) [GTZ: Magdeburg, Kammin]
Patricius, bishop (of Prusa, Bithynia), martyr [BLS]
Peter Chanel, priest, martyr [MR]
Pollio, lector, and companions, martyrs [BLS]
Vitalis, martyr [common; GTZ: Magdeburg (with Pamphilus)]


April 29
Catherine (of Siena), virgin, Doctor of the Church [MR]
Edmund, king, martyr (Translation) [GTZ: England]
Euphrosius(?) [6082]
Fiachna, monk [BLS]
Frontasius, martyr [GTZ: Limoges]
Germana [PCP (Paris), as Germanus]
Hoildis, virgin (at Troyes) [GTZ: Troyes]
Hugh, abbot (of Cluny), confessor [BLS; GTZ: Cistercians, Cluniacs]
Peter Martyr (of Milan), martyr [BLS; GTZ: Dominicans; HCC; PCP (Paris)]
Robert (Gruthuysen), abbot (of Molesme), confessor [BLS; GTZ: Cistercians]


April 30
Ajutre, recluse [BLS]
Catherine (of Siena), virgin [BLS; GTZ: Dominicans]
Desideratus, priest [GTZ: Chalon-sur-Saône]
Erconwald, bishop (of London), confessor [BLS; GTZ: England; PRI: England]
Eutropius, bishop (of Saintes), martyr [GTZ: Metz, France; PCP (Paris)]
Fronto, bishop (of Périgueux), confessor (Invention) [GTZ: Limoges]
Germanus, bishop [WTS (Bruges)]
James, (the Great), apostle [GTZ: Russia only]
James, Marian, and companions, martyrs [BLS]
Maxentia (mother of Vigilius), widow [GTZ: Trent]
Maximus, martyr [BLS]
Pius (V), pope [MR]
Quirinus, martyr [GTZ: Cologne, Mainz, Trier, Basel, Reims]
Sophia, virgin, martyr [BLS; HCC]


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