Aragonese Franciscan lay brother, d. 1592
St. Patrick of Ireland is one of the world's most popular saints. He was born in Roman Britain and when he was fourteen or so, he was captured by Irish pirates during a raiding party and taken to Ireland as a slave to herd and tend sheep.
Saint Pope Adeodatus II
Roman monk, opponent of Monothelitism, d. 676. Called Adeodatus II to distinguish him from his predecessor St. Deusdedit, who is also called Adeodatus.
Saint Pope Adrian III
Pope, a Roman, who died in 885.
Saint Pope Agapetus I
Anti-Arian, instrumental in deposing a Monophysite bishop who had moreover abandoned his see, d. 536.
Saint Pope Agatho
St. Agatho the Wonderworker, a Sicilian believed to have been over 100 years old at the time of his election. He died in 681.
Saint Pope Alexander I
Pope, who died in 115 or 116. According to a tradition dating to the fifth century, Alexander was martyred, but it is possible that he has been confused with another St. Alexander who was indeed a martyr.
Saint Pope Anacletus
Third pope, a martyr, d. about 91. May be the same person as Pope St. Cletus.
Saint Pope Anastasius I
Pope remembered chiefly for condemning Origenism, d. 401.
Saint Pope Anicetus
Martyr, a contemporary of St. Polycarp and of the heretic Marcion.
Saint Pope Anterus
Also known as Anteros, pope for less than 2 months, d. in 236.
Saint Pope Benedict II
A Roman, he was pope for a little less than eleven months, and died in 685. Account of his pontificate.
Saint Pope Boniface IV
Transformed the Pantheon into a Christian church, died in 615.
Saint Pope Deusdedit
Also known as Pope Adeodatus I, d. 618.
Saint Pope Pius V
Pope from 1566-1572 and one of the foremost leaders of the Catholic Reformation. Born Antonio Ghislieri in Bosco, Italy, to a poor family, he labored as a shepherd until the age of fourteen and then joined the Dominicans, being ordained in 1528. Called Brother Michele, he studied at Bologna and Genoa, and then taught theology and philosophy for sixteen years before holding the posts of master of novices and prior for several Dominican houses.