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Saint Patrick

Saint Patrick was a 5th-century Christian missionary and bishop associated with the spread of Christianity in Ireland.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

Saint Patrick was a 5th-century Christian missionary and bishop associated with the spread of Christianity in Ireland. He is the patron saint of Ireland and is commemorated on 17 March, the date traditionally identified as the anniversary of his death. Much of his life is known from two surviving writings, the *Confessio* and the *Letter to Coroticus*.

Life and historical sources

Patrick is generally placed in the 5th century and is believed to have been born in Roman Britain. His own writings, especially the *Confessio* and *Letter to Coroticus*, are among the main sources for his life.

Mission in Ireland

Tradition credits Patrick with helping establish Christianity in Ireland after his return there as a missionary. Later accounts also made him a central figure in the Christianization of the island.

Patron saint and veneration

Patrick is the patron saint of Ireland and is also associated with Nigeria and engineers. He is venerated in several Christian traditions, including the Catholic Church and Anglicanism.

Saint Patrick’s Day

Patrick’s feast day is 17 March and is marked by religious services and secular celebrations. The day has become a global cultural observance, especially among the Irish diaspora.

Key facts

  • Saint Patrick is regarded as the patron saint and national apostle of Ireland.
  • He is credited with bringing Christianity to parts of Ireland in the 5th century.
  • His feast day, Saint Patrick’s Day, is observed on 17 March.
  • The historical Patrick is known chiefly through the *Confessio* and the *Letter to Coroticus*.
  • Tradition links him with the shamrock and the legend of driving snakes from Ireland.
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Canadian context

Saint Patrick is relevant in Canada through Saint Patrick’s Day observances, Irish-Canadian heritage, and the long history of Irish immigration to Canada.

Frequently asked questions

Who was Saint Patrick?
Saint Patrick was a 5th-century Christian missionary and bishop associated with the spread of Christianity in Ireland.
Why is Saint Patrick important?
He is regarded as the patron saint of Ireland and is traditionally credited with helping bring Christianity to the island.
What is Saint Patrick’s Day?
It is the feast day of Saint Patrick, observed on 17 March with religious observance and cultural celebrations.
Where was Saint Patrick born?
He is generally believed to have been born in Roman Britain, though the exact place is uncertain.
What did Saint Patrick write?
Two works are attributed to him: the *Confessio* and the *Letter to Coroticus*.
Is the snake story historical?
The story that Patrick drove snakes from Ireland is a legend, not a verified historical event.

References

  1. Encyclopaedia Britannicahttps://www.britannica.com/biography/Saint-Patrick
    Supports: Patron saint of Ireland, 5th-century missionary, feast day, writings, and traditions associated with Patrick.
  2. Encyclopaedia Britannicahttps://www.britannica.com/topic/Saint-Patricks-Day
    Supports: Saint Patrick’s Day date and its religious and cultural observance.
  3. Baylor Universityhttps://news.web.baylor.edu/news/story/2023/surprising-saint-patrick-baylor-expert-reveals-facts-fallacies-patron-saint-ireland
    Supports: Traditional death date and general historical framing of Patrick.
  4. BBC Newsroundhttps://www.bbc.co.uk/newsround/articles/cwydrnnnvqko
    Supports: Patrick as patron saint of Ireland, Britain origin tradition, and Saint Patrick’s Day cultural significance.
  5. The Conversationhttps://www.theconversation.com/10-things-to-know-about-the-real-st-patrick-92253
    Supports: The snake legend is not historically credible.