| Celebration | Name | Saint | Birth | Death |
|---|---|---|---|---|
| 28 of April | Caralippus | Saint Caralippus martyr | ||
| 28 of April | Polión | Saint Polión mártir | ||
| 29 of April | Hugo | Saint Hugh Abbot | 1109 France | |
| 29 of April | Achard | Saint Achard of Avranches | 1172 Switzerland | |
| 29 of April | Anthony | Saint Anthony Kim Song-u | Korea, republic of | 1841 Korea, republic of |
| 29 of April | Severo | Saint Severo of Nápoles | 409 Italy | |
| 29 of April | Tíquico | Saint Tíquico | ||
| 29 of April | Torpetes | Saint Torpetes | Italy | |
| 30 of April | Pío | Saint Pío V pope | 1504 Italy | 1572 Italy |
| 30 of April | José | Saint Joseph Benedict Cottolengo | 1786 Italy | 1842 Italy |
| 30 of April | Erconvald | Saint Erconvald | 693 United kingdom | |
| 30 of April | Adjutor | Saint Adjutor | 1131 France | |
| 30 of April | Benito | Blessed Benedict of Urbino | 1625 Italy | |
| 30 of April | Donatus | Saint Donatus of Evorea | Italy | |
| 30 of April | Gualfardo | Saint Gualfardo | Germany | 1127 Italy |
| 30 of April | Eutropio | Saint Eutropio of Saintes | France | |
| 30 of April | Guillermo | Blessed William Southerne | 1618 United kingdom | |
| 30 of April | Peter | Blessed Peter the Deacon | 605 Italy | |
| 30 of April | Lorenzo | Saint Lorenzo of Novara | Italy | |
| 30 of April | Mercurial | Saint Mercurial of Forlí | Italy | |
| 30 of April | Aulus | Saint Aulus | France | |
| 30 of April | Pomponio | Saint Pomponio of Nápoles | Italy | |
| 30 of April | Quirino | Saint Quirino tribuno | Italy | |
| 1 of May | José | Saint Joseph the Worker | ||
| 1 of May | Jeremías | Saint Jeremiah Prophet | ||
| 1 of May | Andeolus | Saint Andeolus | France | |
| 1 of May | Brieuc | Saint Brieuc | United kingdom | France |
| 1 of May | Clemente | Blessed Clement Septyckyj | 1951 Russian federation | |
| 1 of May | Aldebrando | Blessed Aldebrandus | 1170 | |
| 1 of May | Segismundo | Saint Segismundo | Switzerland | 524 France |
| 1 of May | Peregrino | Saint Peregrino Laziosi | 1345 Italy | |
| 1 of May | Orencio | Saint Orencio | 440 France | |
| 1 of May | Ubald | Blessed Ubald of Saint Gimignano | 1320 Italy | |
| 1 of May | Teodardo | Saint Teodardo | France | 893 France |
| 1 of May | Marculfo | Saint Marculfo | France | 558 France |
| 1 of May | Amator | Saint Amator of Auxerre | France | 418 France |
| 1 of May | Ricardo | Saint Ricardo Pampuri | 1897 Italy | 1928 Italy |
| 1 of May | Julián | Blessed Julian Cesarello | 1349 Italy | |
| 1 of May | Arigius | Saint Arigius of Gap | France | 604 France |
| 1 of May | Asaph | Saint Asaph | United kingdom | |
| 1 of May | Torcuato | Saint Torcuato y compañeros | Spain | Spain |
| 2 of May | Atanasio | Saint Athanasius | 297 Egypt | 373 Egypt |
| 2 of May | Waldeberto | Saint Waldeberto | 670 France | |
| 2 of May | Guillermo | Blessed William Tirry | 1654 Ireland | |
| 2 of May | Boleslao | Blessed Boleslas Strzelecki | 1896 Poland | 1941 Poland |
| 2 of May | Félix | Saint Félix diácono | Spain | |
| 2 of May | Nicholas | Blessed Nicholas Hermansson | 1391 Sweden | |
| 2 of May | Vindemial | Saint Vindemial | 483 Tunisia | |
| 2 of May | Longinos | Saint Longinos | Mauritius | |
| 2 of May | Hespero | Saint Hespero of Atalia | Turkey | |
| 2 of May | Cyriacus | Saint Cyriacus of Atalia | Turkey | |
| 2 of May | Teodulo | Saint Teódulo of Atalia | Turkey | |
| 3 of May | Felipe | Saint Philip Apostle | Israel | |
| 3 of May | Santiago | James the Less, apostle | Israel | |
| 3 of May | Pedro | Saint Pedro of Argo | 922 Greece | |
| 3 of May | Ansfried | Saint Ansfried | Netherlands | 1008 Belgium |
| 3 of May | Teodosio | Saint Teodosio of Kiev | 1074 Ukraine | |
| 3 of May | Alexander | Saint Alexander I Pope | Italy | Italy |
| 3 of May | Timoteo | Saint Timoteo of Antinoe | Egypt | 286 Egypt |
| 3 of May | Conleth | Saint Conleth | 520 Ireland | |
| 3 of May | Estanislao | Blessed Stanislaus Kazimierczyk | 1433 Poland | 1489 Poland |
| 3 of May | Juvenal | Saint Juvenal of Narni | 376 Italy | |
| 4 of May | Godofredo | Saint Gotthard of Hildesheim | 960 Germany | 1038 Germany |
| 4 of May | Curcodomus | Saint Curcodomus deacon | ||
| 4 of May | José | Saint José María Rubio Peralta | 1864 Spain | 1929 Spain |
| 4 of May | Eduardo | Blessed Eduardo José Rosaz | 1830 Italy | 1903 Italy |
| 4 of May | Ladislao | Blessed Ladislas of Gielniow | 1505 Poland | |
| 4 of May | Cyriacus | Saint Cyriacus presbyter and martyr | ||
| 4 of May | Juan | Blessed John Martín Moyë | 1730 France | 1793 Germany |
| 4 of May | Florián | Saint Florián | 304 Germany | |
| 4 of May | Silvano | Saint Silvano of Gaza y compañeros mártires | 304 Israel | |
| 4 of May | Carlos | Blessed Carlos Manuel Rodríguez Santiago | 1918 Puerto Rico | 1963 Puerto Rico |
| 4 of May | Ceferino | Blessed Ceferino Giménez Malla | 1861 Spain | 1936 Spain |
| 5 of May | Angelo | Saint Angelo of Sicilia | 1225 Italy | |
| 5 of May | Hilary | Saint Hilary of Arles | 401 France | 449 France |
| 5 of May | Geroncio | Saint Geroncio of Milán | 472 Italy | |
| 5 of May | Nicecio | Saint Nicecio of Vienne | France | |
| 5 of May | Eulogio | Saint Eulogio obispo | ||
| 5 of May | Teodoro | Saint Teodoro obispo | ||
| 5 of May | Máximo | Saint Máximo of Jerusalén | 350 Israel | |
| 5 of May | Eutimio | Saint Eutimio of Alejandría | 305 Egypt | |
| 5 of May | Joviniano | Saint Joviniano of Auxerre | France | |
| 5 of May | Avertinus | Saint Avertinus of Vençay | 1189 France | |
| 5 of May | Bienvenido | Blessed Benvenutto Mareni | 1289 Italy | |
| 5 of May | Britton | Saint Britton of Trier | 386 Belgium | |
| 5 of May | León | Saint León of Calabria | Italy | |
| 5 of May | Mauronto | Saint Mauronto of Marchiennes | 702 Belgium | |
| 5 of May | Nunzio | Blessed Nunzio Sulpricio | 1836 Italy | |
| 5 of May | Sacerdote | Saint Sacerdote of Limoges | France | |
| 6 of May | Dominic | Saint Dominic Savio | 1842 Italy | 1857 Italy |
| 6 of May | Bartolomé | Blessed Bartholomew Pucci-Franceschi | 1260 Italy | 1330 Italy |
| 6 of May | Francisco | Blessed Francis of Montmerency Laval | 1623 France | 1708 Canada |
| 6 of May | Lucio | Saint Lucio of Cirene | Turkey | Turkey |
| 6 of May | Venerio | Saint Venerio of Milán | 409 Italy | |
| 6 of May | Eadbert | Saint Eadbert | United kingdom | 698 United kingdom |
| 6 of May | Petronaco | Saint Petronaco | Italy | 725 Italy |
| 6 of May | Protógenes | Saint Protógenes obispo | ||
| 7 of May | John | Saint John of Beverley | United kingdom | 721 United kingdom |
| 7 of May | Augustin | Saint Augustin Roscelli | 1818 Italy | 1902 Italy |
| 7 of May | Anthony | Saint Anthony of Kiev | 1073 Ukraine |