About Theodosia of Constantinople
Lived 700 – 726. Theodosia of Constantinople was a Byzantine nun.
Saint Theodosia of Constantinople was a Christian nun and martyr who lived through and opposed the Byzantine Iconoclasm of the seventh and eight centuries.
Life According to a biography published by the Orthodox Church in America, Theodosia "was born in answer to the fervent prayers of her parents." When they died, she was sent to be raised at the women's Monastery of Holy Martyr Anastasia in Constantinople. She "distributed to the poor of what remained of her parental inheritance" after which she became a nun.
Martyrdom
On January 19, 729, at the beginning of the iconoclastic persecutions, the Emperor Leo III the Isaurian demanded that an icon of Christ which stood over the grand Chalke Gate of the imperial palace be removed. Anastasius of Constantinople ordered that the church comply.
Veneration
Following the Triumph of Orthodoxy over iconoclasm, she was recognized as a martyr and saint, and her body was kept and venerated in the church of Hagia Euphemia en to Petrio, in the quarter named Dexiokratianai, named after the houses owned here by one Dexiokrates. After the beginning of the fourteenth century, the church was renamed for her, and may correspond to the mosque of Gül. A gate in the sea walls of Constantinople, the Gate of Hagia Theodosia (Turkish: Ayakapı) was named after her church. It corresponds to the modern neighborhood of Ayakapı, along the Golden Horn.
Theodosia became one among the most venerated saints in Constantinople. She is invoked particularly by the infirm, her fame increased by the miraculous recovery of a deaf-mute in 1306.
The Roman Catholic Church celebrates her memorial on its original date of 18 July, while the Eastern Orthodox Church and Eastern Catholic Churches transferred her commemoration to 29 May.
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Important facts
Contemporaries
People whose lives overlapped Theodosia of Constantinople's
Frequently asked questions
Who was Theodosia of Constantinople?
Greek saint
When was Theodosia of Constantinople born?
Theodosia of Constantinople was born in 700 in Constantinople.
When did Theodosia of Constantinople die?
Theodosia of Constantinople died on 29 May 726 in Constantinople.
What was Theodosia of Constantinople's occupation?
Theodosia of Constantinople was a nun.
What nationality was Theodosia of Constantinople?
Theodosia of Constantinople was Byzantine.
Sources & further reading
· Wikipedia: Theodosia of Constantinople
· DBpedia: Theodosia of Constantinople
Cite this page
APA: Biography.guide. (2026). Theodosia of Constantinople. https://biography.guide/theodosia-of-constantinople/
MLA: "Theodosia of Constantinople." Biography.guide, https://biography.guide/theodosia-of-constantinople/.
Chicago: "Theodosia of Constantinople." Biography.guide. https://biography.guide/theodosia-of-constantinople/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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