About Us — Mater Dei Seminary

About Mater Dei Seminary

Preserving Catholic Tradition — Ad Jesum per Mariam

About Us — Mater Dei Seminary

Our Purpose and Mission

Mater Dei Seminary, the principal house of formation for secular clergy under the auspices of the Congregation of Mary Immaculate Queen (CMRI), exists to form Catholic priests according to the mind of the Church as she has always understood the sacred priesthood — faithful to her perennial doctrine, discipline, and spirit as they existed before the modern crisis of faith.

The seminary rejects the errors of modernism, ecumenism, and the new theology, which have obscured and deformed the doctrine of the Church since the Second Vatican Council. In fidelity to the authentic Magisterium, Mater Dei Seminary stands among the few traditional Catholic seminaries in the world that preserve intact the full integrity of Catholic faith, worship, and priestly formation.

Ad maiorem Dei gloriam et salutem animarum — “For the greater glory of God and the salvation of souls.”

Benediction inside the Mater Dei Seminary chapel — “For the greater glory of God”—the Holy Sacrifice and Benediction at the heart of priestly life.

Our seminarians are formed to become an alter Christus — another Christ — who will one day stand at the altar as a mediator between God and men, offering the Holy Sacrifice of the Mass and dispensing the sacraments for the sanctification and salvation of souls.

History of Mater Dei Seminary

Mater Dei Seminary was founded in 1984 at Mount St. Michael in Spokane, Washington, under the direction of the Congregation of Mary Immaculate Queen (CMRI). Its establishment marked a decisive step in the Congregation’s effort to provide a complete and stable formation for young men discerning a vocation to the traditional Catholic priesthood.

During its early years at Mount St. Michael, the seminary became the nucleus of the Congregation’s growing apostolate across North America, supplying priests to serve missions, schools, and parishes dedicated to preserving the traditional Catholic Faith.

In 1989, the seminary was relocated to Omaha, Nebraska, a move prompted by the need for a more centralized and permanent location. Under the direction of the Most Reverend Mark A. Pivarunas, CMRI—consecrated bishop in 1991—the seminary entered a new period of growth and stability. From Omaha, Mater Dei Seminary expanded its program of priestly formation and increased its outreach to missions throughout the United States and abroad.

Entry gate of Mater Dei Seminary grounds in Omaha — The seminary’s entryway—a gateway to prayer, study, and the service of God.

In 2019, after thirty years in Omaha, the seminary acquired a new and more suitable property in the peaceful countryside of western Iowa, not far from the city of Omaha. This relocation—often referred to as the Mater Christi Campus—provided the quiet seclusion and natural beauty conducive to a life of prayer, study, and spiritual recollection. The grounds encompass ten acres, with a chapel, library, classrooms, and accommodations for approximately twenty seminarians.

Around a decade ago, the Congregation of Mary Immaculate Queen (CMRI) established the St. Louis de Montfort Religious Seminary in Rathdrum, Idaho, as a distinct house of studies for the formation of its own religious members. Mater Dei Seminary, in turn, continues its mission as the institution dedicated to the formation of secular clergy, who share fully in the Congregation’s apostolic spirit and in its fidelity to the traditional Catholic Faith and priesthood.

Interior of Mater Dei Seminary Chapel at the Mater Christi Campus — The Seminary Chapel—where Christ dwells in the Sacrament of His love.

The Spirit of Formation

True priestly formation embraces the entire man—his intellect, will, and heart—conforming him to Our Lord Jesus Christ, the Eternal High Priest. Every aspect of life at Mater Dei Seminary is ordered toward this transformation.

Spiritual Formation

Each day centers upon the Holy Sacrifice of the Mass, the Divine Office, meditation, the Holy Rosary, and Eucharistic adoration. Through these means, seminarians learn to live in the presence of God, cultivating a deep interior life nourished by prayer, recollection, and sacrifice.

Moral & Pastoral Formation

The moral and pastoral life of the seminarian is shaped by the community’s ordered routine. Punctuality, silence, obedience, and charity foster self-mastery, humility, and fraternal charity—virtues indispensable for perseverance and the care of souls.

Seminarians singing the Divine Office in common — “Charity perfected in the harmony of prayer.”

Intellectual Formation

Following the traditional scholastic method, the studies of logic, philosophy, and sacred theology are pursued under the light of Faith. Instruction follows the principles of St. Thomas Aquinas, ensuring unity and soundness across every branch of study and equipping future priests to defend Catholic doctrine against modern errors.

Classroom instruction in scholastic philosophy and theology — Faith illumines reason—scholastic studies under the principles of St. Thomas Aquinas.

Liturgical Formation

Every seminarian receives careful instruction in the rubrics and ceremonies of the Traditional Roman Rite, so that he may offer the sacred mysteries with reverence, precision, and interior devotion. The liturgy is both the heart and the school of priestly life.

Seminarians learning the ceremonies of the Traditional Roman Rite — Learning to serve and offer the sacred mysteries with reverence and precision.

A Seminary under Mary’s Mantle

Our seminary bears the name Mater Dei—the Mother of God—and she is the heart of this house of formation. As the Blessed Virgin formed the Sacred Humanity of Christ in her virginal womb, so she forms within this seminary the souls of her priest-sons in purity, humility, and perfect conformity to the Divine Will.

Each seminarian is encouraged to consecrate himself entirely to her maternal care and to cultivate a deep filial devotion, following the path expressed in our motto: Ad Iesum per Mariam—“To Jesus through Mary.”

Through her intercession and example, seminarians learn to imitate her virtues of faith, obedience, and self-sacrifice. Under her mantle, they find protection, inspiration, and perseverance in their vocation.

Rosary procession on the seminary grounds — *Ad Iesum per Mariam*—To Jesus through Mary, lived in daily devotion.

Daily Life

The day at Mater Dei Seminary follows the rhythm of the Church’s liturgical life—the heartbeat of priestly formation. Rising early for prayer and meditation, the seminarians assist at the Holy Sacrifice of the Mass, attend classes, study, and share common meals and recreation. Silence, discipline, and fraternal charity mark the life of the community.

Group of Mater Dei Seminary students and faculty — Community life—brotherhood formed in prayer, study, and joyful service.

The schedule balances prayer, work, and study, forming habits of constancy, order, and devotion. Through fidelity to the seminary rule, each action—from study and recreation to manual work—is united to the intention of glorifying God.

The rural setting provides quiet seclusion from the world, fostering recollection, simplicity of life, and detachment from worldly concerns. In this ordered life, the seminarian learns the “hidden life” of Christ in Nazareth, preparing his soul for the public ministry of the priesthood.

Vocations

The seminary welcomes men who, after careful discernment, desire to dedicate their lives wholly to God in the service of His altar. Candidates are expected to possess a sound Catholic faith, upright morals, sufficient intellectual ability, and a sincere spirit of sacrifice.

Begin Discernment

Correspond with the Vocations Director, who oversees admissions and guides applicants through preparation and discernment before entrance.

Contact Vocations

Support the Seminary

Mater Dei Seminary depends upon Divine Providence and the generosity of benefactors who share in its mission of preserving the traditional Catholic priesthood.

Contribute

Our Hope

Amid the darkness of the present age, the Church endures, for Our Lord has promised that “the gates of hell shall not prevail.” In this confidence, Mater Dei Seminary continues its quiet yet essential mission: forming priests who will restore all things in Christ and lead souls back to the light and truth of the Catholic Faith.