| Celebration | Name | Saint | Birth | Death |
|---|---|---|---|---|
| 7 of May | Alberto | Blessed Albert of Bergamo | 1279 Italy | |
| 7 of May | Cenérico | Saint Cenericus | France | |
| 7 of May | Flavio | Saint Flavio y compañeros mártires | Turkey | |
| 7 of May | Benedict | Saint Benedict II pope | Italy | |
| 8 of May | Pedro | Saint Peter of Tarantasia | 1102 France | 1174 France |
| 8 of May | Acacius | Saint Acacius of Bizancio | Turkey | |
| 8 of May | Boniface | Saint Boniface IV pope | 615 Italy | |
| 8 of May | Amado | Blessed Amatus Ronconi | Italy | |
| 8 of May | Luis | Blessed Luigi Rabata | 1490 Italy | |
| 8 of May | Ángel | Blessed Angelo of Massaccio | 1458 Italy | |
| 8 of May | Arsenius | Saint Arsenius of Scete | Italy | Egypt |
| 8 of May | Desideratus | Saint Desideratus of Bourges | 550 France | |
| 8 of May | Gibriano | Saint Gibriano | Ireland | 515 France |
| 8 of May | Heladio | Saint Heladio of Auxerre | France | |
| 8 of May | Víctor | Saint Víctor of Milán | Mauritania | 304 Italy |
| 8 of May | Metrón | Saint Metrón | Italy | |
| 8 of May | Dionysius | Saint Dionysius bishop | ||
| 8 of May | Wiro | Saint Wiro y compañeros | 700 Netherlands | |
| 9 of May | Gregorio | Saint Gregory of Ostia | Italy | 1044 Spain |
| 9 of May | Isaías | Saint Isaiah prophet | ||
| 9 of May | Juan | Blessed Giovanni Benincasa | 1375 Italy | 1426 Italy |
| 9 of May | Dionysius | Saint Dionysius of Vienne | France | |
| 9 of May | Forte | Blessed Forte Gabrielli | 1040 Italy | |
| 9 of May | Beatus | Saint Beatus of Vendôme | France | |
| 9 of May | Geroncio | Saint Geroncio of Ficocle | 501 Italy | |
| 9 of May | Hermas | Saint Hermas of Roma | ||
| 9 of May | José | Saint José Dô Quang Hiên | 1840 Viet nam | |
| 9 of May | Pacomio | Saint Pacomio of Tebaida | Egypt | 348 Egypt |
| 9 of May | Thomas | Blessed Thomas Pickering | 1621 United kingdom | 1679 United kingdom |
| 10 of May | Damián | Saint Damien of Molokai | 1840 Belgium | 1889 United States |
| 10 of May | Job | Saint Job patriarch | Israel | Israel |
| 10 of May | Calepodius | Saint Calepodius presbyterian | ||
| 10 of May | Epimachus | Saint Epimachus martyr | ||
| 10 of May | Juan | Saint Juan of Ávila | 1500 Spain | 1569 Spain |
| 10 of May | Catald | Saint Catald of Ireland | Ireland | Italy |
| 10 of May | Comgall | Saint Comgall | Ireland | 622 Ireland |
| 10 of May | Niccolo | Blessed Niccolo Albergati | 1443 Italy | |
| 10 of May | Dioscorides | Saint Dioscorides of Smyrna | Italy | |
| 10 of May | Gordiano | Saint Gordiano of Roma | Italy | |
| 10 of May | Enrique | Blessed Enrico Rebuschini | 1860 Italy | 1938 Italy |
| 10 of May | Iván | Blessed Ivan Merz | 1896 Bosnia and herzegovina | 1928 Croatia (Hrvatska) |
| 10 of May | Guillermo | Saint Guillermo of Pontoise | United kingdom | 1195 France |
| 10 of May | Antoninus | Saint Antoninus of Florence | 1389 Italy | 1459 Italy |
| 11 of May | Mayolo | Saint Mayeul of Cluny | 906 France | 994 France |
| 11 of May | Mayulo | Saint Mayulo of Bizacena | Tunisia | |
| 11 of May | Ignacio | Saint Ignacio of Láconi | 1701 France | 1781 France |
| 11 of May | Francisco | Saint Francisco of Jerónimo | 1642 Italy | 1716 Italy |
| 11 of May | Anthimus | Saint Anthimus of Rome | Italy | |
| 11 of May | Iluminado | Saint Iluminado of Saint Severino | Italy | Italy |
| 11 of May | Gangulfo | Saint Gangulfo of Varennes | France | |
| 11 of May | Gregorio | Blessed Gregory Celli | 1343 Italy | |
| 11 of May | Gualterio | Saint Gualterio of Esterp | 1070 France | |
| 11 of May | Mamerto | Saint Mamerto of Vienne | 475 France | |
| 11 of May | Mocio | Saint Mocio of Bizancio | Turkey | |
| 11 of May | Mateo | Saint Mateo Lê Van Gâm | Viet nam | 1847 Viet nam |
| 11 of May | Evelio | Saint Evelio mártir | ||
| 11 of May | Iluminado | Saint Iluminado monje | ||
| 12 of May | Domingo | Saint Dominic de la Calzada | 1019 Spain | 1109 Spain |
| 12 of May | Pancracio | Saint Pancras of Rome | 290 Turkey | 304 Italy |
| 12 of May | Cyril | Saint Cyril of Mesia and martyr companions | Bulgaria | Bulgaria |
| 12 of May | Epiphanius | Saint Epiphanius of Salamina | 310 Israel | 403 Cyprus |
| 12 of May | Felipe | Saint Felipe of Agira | 396 Bulgaria | 453 Italy |
| 12 of May | Modoaldo | Saint Modoaldo of Tréveris | France | 647 Germany |
| 12 of May | Germán | Saint Germán of Constantinopla | 634 | 733 |
| 12 of May | Achilleus | Saint Achilleus | 98 Italy | |
| 12 of May | Nereo | Saint Nereo | 98 Italy | |
| 12 of May | Álvaro | Blessed Álvaro del Portillo | 1914 Spain | 1994 Italy |
| 13 of May | Pedro | Saint Peter Regalado | 1390 Spain | 1456 Spain |
| 13 of May | Servacio | Saint Servacio of Tongres | Armenia | 384 Belgium |
| 13 of May | Andrés | Saint Andrew Hubert Fournet | 1752 France | 1834 France |
| 13 of May | Juan | Saint Juan Silenciero | 454 Armenia | 558 Israel |
| 14 of May | Matthias | Saint Matthias apostle | 0 Israel | 80 Georgia |
| 14 of May | Tuton | Blessed Tuton of Regensburg | Germany | Germany |
| 14 of May | Abrunculus | Saint Abrunculus of Langres | France | 488 France |
| 14 of May | Carthage | Saint Carthage of Lismore | 555 Ireland | 638 Ireland |
| 14 of May | Erembert | Saint Erembert of Tolouse | 674 France | |
| 14 of May | Galo | Saint Galo of Clermont | 551 France | |
| 14 of May | Gil | Blessed Gil of Vaozéla | 1185 Portugal | 1265 Portugal |
| 14 of May | Isidoro | Saint Isidoro of Quío | Greece | |
| 14 of May | Máximo | Saint Máximo of Asia | 250 Turkey | |
| 14 of May | Miguel | Saint Miguel Garicoïts | 1797 France | 1863 France |
| 14 of May | Poncio | Saint Poncio of Cimiez | Italy | |
| 15 of May | Isidro | Saint Isidore the Laborer | 1080 Spain | 1130 Spain |
| 15 of May | Andrés | Blessed Andrew Abellon | 1375 France | 1450 France |
| 15 of May | Achilleus | Saint Achilleus Thaumaturge | Turkey | Greece |
| 15 of May | Caleb | Saint Caleb | 535 Ethiopia | |
| 15 of May | Reticio | Saint Reticio of Autún | France | |
| 15 of May | Ruperto | Saint Ruperto of Bingen | Germany | |
| 15 of May | Severino | Saint Severino of Septempeda | Italy | |
| 15 of May | Simplicio | Saint Simplicio of Cerdeña | France | |
| 15 of May | Witesindo | Saint Witesindo of Córdoba | 855 Spain | |
| 15 of May | Torcuato | Saint Torcuato obispo | ||
| 16 of May | Simón | Saint Simon Stock | 1165 United kingdom | 1265 France |
| 16 of May | Adam | Saint Adam of Fermo | 1210 Italy | |
| 16 of May | Brendan | Saint Brendan | 460 Ireland | 577 Ireland |
| 16 of May | Andrew | Saint Andrew Bobola | 1591 Poland | 1657 Poland |
| 16 of May | Abdas | Saint Abdas, bishop and martyr | 375 Iran | |
| 16 of May | Posidio | Saint Posidio of Calama | 437 Algeria | |
| 16 of May | Fídolo | Saint Fídolo | 540 France | |
| 16 of May | Carantoc | Saint Carantoc | United kingdom |