About Nativity of Our Lord Jesus Christ. Mater Dei Parish. · Sioux City, Iowa
Mater Dei Parish in Sioux City, Iowa, is a welcoming Catholic community centered on worship, faith formation, and service. It operates two churches — Nativity and Immaculate Conception — and includes a Newman Center serving college students. The parish emphasizes hospitality, spiritual growth, and strong Catholic education, offering a vibrant environment for all ages. It is the only Newman Center in Siouxland, supporting young adults in their faith journey.
Why belong here
Join a parish where you’re welcomed, encouraged, and strengthened through worship, ministries, and schools. Experience a culture of hospitality, meaningful relationships, and vibrant spiritual life. As Siouxland’s only Newman Center, Mater Dei also supports college students in staying rooted in their faith.
Mass times at Nativity of Our Lord Jesus Christ. Mater Dei Parish.
Weekly Mass schedule
Adoration times
- Monday, 8:30 AM - 8:00 PM
Welcome
Mater Dei is a parish where everyone belongs. Our worship life, ministries, and schools create an environment where people feel welcomed, encouraged, and strengthened. You will feel something special at Mater Dei: a culture of hospitality, meaningful relationships, vibrant spiritual life, and strong Catholic education.
Get Involved
Join a parish where you’re welcomed, encouraged, and strengthened through worship, ministries, and schools. Experience a culture of hospitality, meaningful relationships, and vibrant spiritual life. As Siouxland’s only Newman Center, Mater Dei also supports college students in staying rooted in their faith.