(or Deusdedit) Latin: given from God. Reigned from 615 to 618. He is said to have been the first to use bullae or leaden seals for pontifical documents, whence the name Bulls. Feast, 8 November.
- “Pope Saint Adeodatus I”. . CatholicSaints.Info. 27 July 2012. Web. 25 August 2016. <http://catholicsaints.info/new-catholic-dictionary-pope-saint-adeodatus-i/>