June

1. Justin, martyr
2. Marcellinus and Peter, martyrs
3. Charles Lwanga and companions, martyrs

5. Boniface, bishop and martyr
6. Norbert, bishop

9. Ephrem, deacon and doctor

11. Barnabas, Apostle

13. Anthony of Padua, priest and doctor

19. Romuald, abbot

21. Aloysius Gonzage, religious

22. Paulinus of Nola, bishop, and the same day John Fisher, bishop and martyr, and Thomas More

24. Birth of John the Baptist

27. Cyril of Alexandria, bishop and doctor
28. Irenaeus, bishop and martyr
29. Peter and Paul, Apostles
30. First Martyrs of the Church of Rome