Missionary
- ✠ Bl. Ambrose Leblanc, Franciscan Provincial
- ✠ St. Anthony Mary Claret, Founder of the Claretian Fathers and the Sisters of Mary Immaculate
- ✠ Saint Antoine Daniel, North American Martyr
- ✠ St. Augustine of Canterbury, Apostle of England
- ✠ Saint Boniface, Bishop, Martyr
- ✠ Saint Brendan, Abbot of Clonfert
- ✠ Saint Charles Garnier, North American Martyr
- ✠ Saint Columban, (or Columbanus), Abbot
- ✠ Saint Columkille, (or Columba), Abbot
- ✠ Sts. Cyril and Methodius, Apostles to the Slavic Nations
- ✠ Saint Emily de Vialar, Foundress of the Sisters of Saint Joseph of the Apparition
- ✠ St. Fidelis of Sigmaringen, Capuchin Missionary, Martyr
- ✠ St. Frances Xavier Cabrini, Foundress of the Missionary Sisters of the Sacred Heart, patroness of immigrants
- ✠ St. Francis Regis Clet, Lazarist Missionary, Martyr
- ✠ Saint Francis Solano, Franciscan Missionary in South America
- ✠ Saint Francis Xavier, Jesuit Missionary to the Orient
- ✠ Bl. Fr. Frederick of Ghyvelde, Franciscan Missionary to Four Continents
- ✠ Saint Frumentius, Bishop, Apostle of Ethiopia
- ✠ Saint Gabriel Lalemant, North American Martyr
- ✠ Saint Hyacinth, Missionary Preacher and Thaumaturge
- ✠ Saint Hyacinth Castañeda, Dominican Priest and Missionary, Martyred in Vietnam
- ✠ Saint Isaac Jogues, North American Martyr
- ✠ Saint Jean de Brébeuf, North American Martyr
- ✠ St. John de Britto, Martyr
- ✠ Saint John Francis Regis, Jesuit missionary
- ✠ St. John Gabriel Perboyre, Lazarist Priest and Martyr
- ✠ Saint Louis Bertrand, Dominican Missionary and Preacher
- ✠ St. Louis Mary de Montfort, Doctor of the Mediation of Mary, Missionary in France and Founder
- ✠ Saint Martin of Tours, Missionary Bishop
- ✠ Bl. Mary Assunta, Franciscan Missionary
- ✠ Saint Maximilian Kolbe, Priest, confessor, Conventual Fransiscan Friar, apostle of the Immaculate Conception
- ✠ Saint Noël Chabanel, North American Martyr
- ✠ Saint Palladius, First Bishop and Apostle of the Scots
- ✠ Saint Pantænus, Doctor of the Church and Apostle to the Indies
- ✠ Saint Patrick, Bishop, Apostle of Ireland
- ✠ St. Peter Canisius, Doctor of the Church
- ✠ St. Peter Chanel, Missionary and Martyr
- ✠ Saint Peter Claver, Jesuit Missionary
- ✠ St. Philip of Jesus, Martyred at Nagasaki, Patron of the City of Mexico
- ✠ Saint Placid, Martyr
- ✠ Saint Quentin, Apostle of Amiens, Martyr at Rome
- ✠ Saint Raymund Nonnatus, Religious of Our Lady of Mercy and Cardinal
- ✠ Saint René Goupil, Jésuite, Martyr Canadien
- ✠ Saint Turribius, Archbishop of Lima
- ✠ Saint Vincent de Paul, Founder of the Lazarist Fathers and the Daughters of Charity
- ✠ St. Vincent Ferrer, Thaumaturge, Dominican Missionary
- ✠ Saint Willibrord, Apostle of the Frisons, of Holland, Zealand, Flanders and Brabant