|Bishop of Rome|
|Papacy began||c. 115|
|Papacy ended||c. 124|
Rome, Roman Empire
|Died||125 (aged c. 82 – 83)|
Rome, Roman Empire
|Feast day||6 April|
|Title as Saint||Martyr|
|Other popes named Sixtus|
Pope Sixtus I (42 – 124/126/128), also spelled Xystus, a Roman of Greek descent, was the seventh bishop of Rome from c. 115 to his death. He succeeded Pope Alexander I and was in turn succeeded by Pope Telesphorus. His feast is celebrated on 6 April.
The Holy See's Annuario Pontificio (2012) identifies him as a Roman who served from 117 or 119 to 126 or 128. According to the Liberian Catalogue of popes, he served the Church during the reign of Hadrian "from the consulate of Niger and Apronianus until that of Verus III and Ambibulus", that is, from 117 to 126. Eusebius states in his Chronicon that Sixtus I was pope from 114 to 124, while his Historia Ecclesiastica, using a different catalogue of popes, claims his rule from 114 to 128. All authorities agree that he reigned about ten years.
Sixtus I instituted several Catholic liturgical and administrative traditions. Like most of his predecessors, Sixtus I was believed to have been buried near Peter's grave on Vatican Hill, although there are differing traditions concerning where his body lies today. In Alife, there is a Romanesque crypt, which houses the relics of Pope Sixtus I, brought there by Rainulf III.
Alban Butler (Lives of the Saints, 6 April) states that Clement X gave some of his relics to Cardinal de Retz, who placed them in the Abbey of St. Michael in Lorraine. The Xystus who is commemorated in the Catholic Canon of the Mass is Xystus II, not Xystus I.
The oldest documents[which?] use the spelling Xystus (from the Greek word for "polished") in reference to the first three popes of that name. Pope Sixtus I was also the sixth Pope after Peter, leading to questions as to whether the name "Sixtus" (meaning "sixth") might be fictitious.
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|Catholic Church titles|
| Bishop of Rome