Welcome : University of Dayton, Ohio

Scholarship. Outreach. Devotion.

The Marian Library is globally recognized as the premier destination for scholarship and research on Mary, the mother of Jesus and is central to the Catholic and Marianist identity of the University of Dayton.

Hours and Location

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New and Featured Books

Three patrons and a librarian looking at artwork on a table

Services and Opportunities

Student looking at an open book at a large table with his laptop near.

Research, Study, Borrow, Use

Instructor pointing at an archival map while two students look on.

Instruction and Academic Support

Open bible featuring illuminated artwork and text

Collections

Student writing on a clipboard looks at an open book in a vitrine

Exhibits

A graduate fellow smiles at the camera while working with collection items at a large table

Marian Fellowships

Two UD alums wearing Reunion Weekend name tags look at a large Saint John's Bible edition that was purchased with gifts.

Make a Gift

Exhibits and Displays

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Detail of a contemporary artwork depicting the Angel Gabriel, the Holy Spirit and Mary

Faith/Mission

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Annunciation Exhibits

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The City of the Mount segment of the Mirror of Hope. Central is a replica of UD's Chapel of the Immaculate Conception

Campus and Community

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Mirror of Hope: 25 Years of Visual Storytelling

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Campus and Community

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American Patroness

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Detailed scene of a 3-dimensional cardboard Nativity scene with villagers all around.

Campus and Community

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It Takes a Village: Christmas in Community

News and Stories

Book open to an illustration of personified Death preceding printed verse in Latin.

Libraries

10.14.2026

Memento mori

Imagery and liturgy in the Marian Library for Allhallowtide dates back centuries.

Four Tidings publications fanned out with Volume 4 of Tidings on the top.

Libraries

10.01.2026

Take Some Time With ‘Tidings’

Read the fourth volume of our annual publication for an account of happenings in the Marian Library during the 2025-2026 academic year.

A University of Dayton student carefully examines a book supported by a blue book cradle during a special collections class.

Libraries

10.07.2026

Hands-On History

In Roesch Library’s new special collections classroom, UD students are exploring rare books and artifacts to spark curiosity and hands-on learning by, well, holding it.

Stay Informed

Tidings: An Annual Communiqué from the Marian Library