Saints Cosmas and Damian, Martyrs—Optional Memorial
c. Late Third Century–c. 287 or 303
Patron Saints of apothecaries, barbers, blind people, chemical industry, druggists, midwives, physicians, pharmacists, surgeons
Invoked against blindness, kidney stones, hernias, and pestilence
Pre-Congregation canonizations
Liturgical Color: Red

Saint Vincent de Paul, Priest—Memorial
c. 1581–1660
Patron Saint of charitable societies and workers, horses, hospitals and hospital workers, lepers, lost articles, prisoners, spiritual help, and volunteers
Canonized by Pope Clement XII on June 16, 1737
Liturgical Color: White

Saint Wenceslaus, Martyr—Optional Memorial
c. 907–929
Patron Saint of brewers, Czech Republic, Bohemia, and Slovakia
Pre-Congregation canonization
Liturgical Color: Red

Saints Lawrence Ruiz and Companions, Martyrs—Optional Memorial
c. 1600–1637
Patron Saint of the Philippines, Filipinos, immigrants, the poor, separated families, and altar servers
Canonized by Pope John Paul II on October 18, 1987
Liturgical Color: Red

Saints Michael, Gabriel and Raphael, Archangels—Feast
Patron Saints of soldiers, police, paramedics, and the sick and dying (Michael); messengers, postal workers, broadcasters, and expectant mothers (Gabriel); travelers, the blind, medical workers, and matchmakers (Raphael)

Saint Jerome, Priest and Doctor—Memorial
c. 340s–420
Patron Saint of archeologists, archivists, Bible scholars, librarians, libraries, schoolchildren, students, and translators
Pre-Congregation canonization
Declared a Doctor of the Church by Pope Benedict XIV in 1724
Liturgical Color: White