Skip to content
Holy Week with Catholic Online

St. Sedna

Facts

Feastday: March 10
Death: 570

Author and Publisher - Catholic Online
Printable Catholic Saints PDFs
Shop St. Sedna

Bishop of Ossory, in Ireland. Sedna was also the abbot of Seir-Kieran Abbey, founded by St. Kieran with the aid of St. Patrick’s miraculous bell. Ossory was governed by abbot-bishops until circa 1184.

Come Grow With Us
Sign up and walk the Catholic journey with millions around the world.
Receive inspiring emails on saints, daily readings, and free faith-building resources—no cost, ever.

Our Important Lenten Message - Please Watch


Donate Now

Catholic Online Logo

Copyright 2026 Catholic Online. All materials contained on this site, whether written, audible or visual are the exclusive property of Catholic Online and are protected under U.S. and International copyright laws, © Copyright 2026 Catholic Online. Any unauthorized use, without prior written consent of Catholic Online is strictly forbidden and prohibited.

Catholic Online is a Project of Your Catholic Voice Foundation, a Not-for-Profit Corporation. Your Catholic Voice Foundation has been granted a recognition of tax exemption under Section 501(c)(3) of the Internal Revenue Code. Federal Tax Identification Number: 81-0596847. Your gift is tax-deductible as allowed by law.