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Pope Leo XIV's First Encyclical: Magnifica Humanitas

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Our Diocese

Who We Are

For over 150+ years the Roman Catholic Diocese of Wilmington has been called and commissioned to:

  • Be a community of faith living the love poured into our hearts by the Holy Spirit.
  • To proclaim the good news of salvation announced through Jesus Christ and confided to the Church.
  • To celebrate in liturgy, especially in Eucharist, the saving act of God in Christ.
  • To strengthen our allegiance to the Gospel and deepen our understanding of it.
  • To serve all our brothers and sisters as Jesus taught us.
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Diocesan Happenings

Igniting Hope 5K Honors the Bishop’s Call to Serve Others

Igniting Hope 5K Honors the Bishop’s Call to Serve Others

Community Members are invited to “Ignite Hope” through sponsorship and team participation at annual event held on November 21, 2026. Catholic Charities is inviting businesses, organizations, families, and community members…
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Annual Footprints Mass for Pregnancy & Infant Loss

Annual Footprints Mass for Pregnancy & Infant Loss

The Diocesan Office for Marriage and Family Life sponsors an annual Mass of remembrance and healing for Pregnancy and Infant Loss called the Footprints Mass. This year's event will be held on Sunday, October 18th…
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Support the Cathedral of St. Peter through the Annual Cathedral Collection

Support the Cathedral of St. Peter through the Annual Cathedral Collection

A special collection to benefit the beautiful and historic Cathedral of St. Peter will take place in all parishes in Delaware and Maryland's Eastern Shore the weekend of August 16/17,…
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Bishop William E. Koenig – In Gratitude for Magnifica Humanitas

Bishop William E. Koenig – In Gratitude for Magnifica Humanitas

WILMINGTON, Del., May 25, 2026 — Most Reverend William E. Koenig, D.D., Bishop of Wilmington issued the following statement in gratitude for the first encyclical of the Holy Father Pope…
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Let Us Build Together: Bishop William Koenig Releases Pastoral Letter on Educational Opportunity, the Future of Our Children, and the Call to Act

Let Us Build Together: Bishop William Koenig Releases Pastoral Letter on Educational Opportunity, the Future of Our Children, and the Call to Act

WILMINGTON, Del., May 21, 2026 — Most Reverend William E. Koenig, Bishop of the Catholic Diocese of Wilmington has issued a pastoral letter calling on families, parishes, and all people…
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5th Annual Reconciliation Monday, Prepare Your Heart for Easter on March 30th

5th Annual Reconciliation Monday, Prepare Your Heart for Easter on March 30th

Visit the Reconciliation Monday Webpage for More! Catholics from throughout the Diocese of Wilmington are invited to receive the Sacrament of Reconciliation (Confession) at any of the 57 parish churches…
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Bishop William E. Koenig

Bishop William E. Koenig

Meet Our Bishop

Bishop Koenig was ordained to the Episcopacy by the Most Reverend William E. Lori, Metropolitan Archbishop of Baltimore, and installed as the 10th Bishop of the Diocese of Wilmington at a Mass on Tuesday, July 13, 2021, at St. Elizabeth Church, Cedar and Clayton Streets in Wilmington, Delaware.
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