Hilary of Poitiers

310–315 to 367 · Doctor 1851

Origin: Poitiers
Historical identity: Latin-speaking Roman Gaul
Affiliation: Secular clergy / no religious order

Life and work

Bishop of Poitiers and Latin defender of Nicene theology. Exile in the eastern empire brought him into sustained contact with Greek theological debates, reflected in his work on the Trinity.

Places and activities

Poitiers

c. 350-367; interrupted by exile

Served as bishop and defended the Nicene faith.

Benedict XVI: Hilary of Poitiers

Béziers

356

Attended the synod that led to his imperial banishment.

Benedict XVI: Hilary of Poitiers

Phrygia (broad region)

356-c. 360

Worked on theology during exile in Asia Minor.

Benedict XVI: Hilary of Poitiers

Journeys

c. 356: Was banished after the synod; the exact route is unknown.

360-361: Returned from exile to resume pastoral work in Poitiers.

Catholic Encyclopedia

Catholic Encyclopedia: St. Hilary of Poitiers

Primary sources

Further reading

Wikipedia

Hilary of Poitiers

Dates and research notes

Years are historical biographical dates; an approximate label on a place record remains approximate.

Selected sourced locations; not a complete itinerary. All geographic coordinates are approximate.

Lifetime associations, not citizenship or a claim that all affiliations were held simultaneously.

Official modern biographical overview; not contemporary evidence for the saint's travels.

The Catholic Encyclopedia, 1910. Biographical article.

Primary text or author archive. Its presence in the bibliography does not by itself support every map claim.

Oxford University Press, 2011. Recommended reference; consult the relevant entry and its bibliography. Not treated as read evidence for individual seed claims.

Updated 2026-11-01