Adeodatus I
Adeodatus I, also known as Deusdedit, served as the Bishop of Rome from 615 to 618. He was notable as the first priest elected pope since John II in 533 and is credited with introducing lead seals, or bullae, to papal documents. His pontificate saw a reversal of his predecessor's policy of filling administrative roles with monks, recalling clergy instead.
Key Facts
- ›Born in Rome to a subdeacon named Stephanus.
- ›Served as a priest for 40 years before election.
- ›First priest elected pope since John II in 533.
- ›Introduced lead seals (bullae) on papal documents.
- ›Died on November 8, 618, after an earthquake and outbreak of scabies in Rome.

Deodatus I, Deusdedit
- Reversed Predecessor's Policy of Appointing Monks To Papal Administration.
- Recalled Clergy To Administrative Positions.
- Ordained Approximately 14 Priests.
- Introduced Lead Seals On Papal Documents.
Stephen, John Ii, Boniface Iv, Gregory the Great, Boniface V
About Adeodatus I
Pope Adeodatus I, also known by the names Deodatus I and Deusdedit, served as the Bishop of Rome from October 19, 615, until his death on November 8, 618. His pontificate is historically significant for several reasons, including his status as the first priest to be elected pope since John II in 533, breaking a long period where other clerical orders or laity might have been elected. This marked a notable shift in papal selection.
Early Life and Ministry
Born in Rome in 570, Adeodatus was the son of a subdeacon named Stephanus (or Stephen). Before his election as pope, he had a lengthy career as a priest, serving for 40 years. This extensive experience in priestly duties undoubtedly shaped his approach to his papacy.
Pontificate and Key Actions
Adeodatus I's time as pope is characterized by a return to traditional papal administration and a notable innovation in papal documentation. He is credited with reversing the practice initiated by his predecessor, Boniface IV, which involved filling papal administrative ranks with monks. Adeodatus instead recalled the clergy to these positions and also ordained approximately 14 priests, marking the first ordinations in Rome since the pontificate of Gregory the Great.
Perhaps his most enduring legacy is the introduction of lead seals, known as bullae, on papal documents. This practice, which began during his reign, eventually led to the term "papal bulls" for official papal documents. A bulla from his pontificate still exists, featuring imagery of the Good Shepherd and inscriptions identifying it as belonging to "Deusdedit Papæ."
Later Years and Legacy
Adeodatus I's pontificate concluded during a difficult period for Rome. In August 618, an earthquake struck the city, followed by an outbreak of scabies. He died shortly thereafter on November 8, 618, and was eventually succeeded by Boniface V. Adeodatus I is recognized as a saint, with his feast day observed on November 8. He is also honored in the Eastern Orthodox Church as one of the pre-Schism "Orthodox Popes of Rome."
Source: Wikipedia ↗
Frequently Asked Questions
When was Pope Adeodatus I the bishop of Rome?
Pope Adeodatus I served as the bishop of Rome from October 19, 615, until his death on November 8, 618.
What is Pope Adeodatus I known for?
Adeodatus I is primarily known as the first priest elected pope since 533 and for introducing the use of lead seals, called bullae, on papal documents. He also reversed a policy of his predecessor by reinstating clergy in papal administrative roles.
Who was Pope Adeodatus I's father?
Adeodatus I was the son of a subdeacon named Stephanus, also referred to as Stephen.
What happened during Pope Adeodatus I's pontificate?
His pontificate saw opposition to Gregory the Great's papal reforms. He recalled clergy to administrative positions and ordained priests, and an earthquake struck Rome followed by an outbreak of scabies shortly before his death.
Is Pope Adeodatus I a saint?
Yes, Adeodatus I is recognized as a saint. His feast day is celebrated on November 8, and he is venerated in the Eastern Orthodox Church as one of the pre-Schism 'Orthodox Popes of Rome'.
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