Seminary of Mar Abba the Great
A Chaldean Catholic seminary in El Cajon, California, serving priestly formation for the Eparchy of St. Peter the Apostle.
Last updated August 26, 2026
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Overview
The Seminary of Mar Abba the Great is a Chaldean Catholic seminary in El Cajon, California. It belongs to the Eparchy of St. Peter the Apostle, the Chaldean Catholic diocese serving the westernmost 19 states of the United States. The institution is described as the first and only Chaldean Catholic seminary established outside Iraq, giving it a distinctive role in the formation of clergy for Chaldean Catholic communities in the United States. The seminary was consecrated on July 25, 2008, by Mar Sarhad Yawsip Jammo, who was serving as bishop of the Eparchy of St. Peter the Apostle. At its establishment, Father Andrew Younan was appointed rector, while Mar Bawai Soro was assigned as spiritual director for men discerning a vocation to the priesthood. These appointments indicate that the seminary was intended to combine academic and institutional leadership with dedicated spiritual accompaniment for candidates. The main seminary building includes dormitory accommodation for as many as 10 men. A separate building on the property houses the Institute of Mar Abba the Great, which includes a chapel, library, and classroom. Together, these facilities provide residential, liturgical, educational, and community spaces for priestly formation and related theological activity. The institution is named for Mar Abba the Great, a sixth-century patriarch of the Church of the East. According to the tradition associated with him, Mar Abba converted from Zoroastrianism after encountering Christianity, later became a monk, and traveled through important Christian centers including Jerusalem, Egypt, Greece, and Constantinople. He became patriarch in 540 during a period of significant internal and external conflict. His legacy is associated with ecclesiastical reform, the renewal of monasticism and Christian scholarship, educational development, and efforts toward unity with the Western Church. The seminary’s name therefore connects contemporary Chaldean Catholic formation in the United States with an important figure in the broader East Syriac Christian heritage. Publicly available reference material provides limited information about enrollment, curriculum, accreditation, finances, later rectors, and present-day operations. The seminary’s precise current status and leadership should therefore be verified through the Eparchy of St. Peter the Apostle or an official institutional source.
History
The Seminary of Mar Abba the Great was established in El Cajon, California, within the pastoral jurisdiction of the Eparchy of St. Peter the Apostle. Its creation addressed the need for a Chaldean Catholic institution in the United States dedicated to the formation of candidates for the priesthood. The seminary is identified as the first and only Chaldean Catholic seminary outside Iraq, giving it importance for a church whose communities span both its historic Middle Eastern homeland and diaspora populations. The seminary was consecrated on July 25, 2008, by Mar Sarhad Yawsip Jammo. At the time of its opening, Father Andrew Younan was appointed rector and Mar Bawai Soro was named spiritual director for those discerning the priesthood. The leadership structure combined administrative and academic oversight with vocational and spiritual guidance. The campus was designed as a relatively small residential institution. Its seminary building contains dormitory space for up to 10 men. A second facility, the Institute of Mar Abba the Great, contains a chapel, library, and classroom. The arrangement allows the site to support residential formation as well as worship, study, and instruction. The seminary’s patron is Mar Abba the Great, a sixth-century patriarch of the Church of the East. Tradition presents him as a convert from Zoroastrianism who became a monk after encountering Christianity. He traveled widely through major centers of Christian learning before becoming patriarch in 540. His patriarchate was marked by ecclesiastical reorganization, attention to monastic and scholarly renewal, educational initiatives, and efforts to address divisions within the church. He also faced opposition from Zoroastrian authorities and spent substantial periods in prison or exile. The seminary’s dedication to him reflects its connection to the intellectual, monastic, and pastoral heritage of the East Syriac Christian tradition. Available public material does not establish a complete institutional chronology after the 2008 consecration. Information about subsequent rectors, enrollment, programs, accreditation, finances, and current operations is not sufficiently documented in the supplied sources.
- 2008
Seminary consecrated
[1]Mar Sarhad Yawsip Jammo consecrated the Seminary of Mar Abba the Great in El Cajon, California, on July 25, establishing a dedicated Chaldean Catholic seminary for the United States.
- 2008
Initial rector and spiritual director appointed
[1]Father Andrew Younan became rector at the institution's establishment, and Mar Bawai Soro was assigned responsibility for spiritual direction of priesthood candidates.
Products and positioning
A specialized Chaldean Catholic formation institution serving the United States while preserving the theological, liturgical, and historical traditions of the Chaldean Church.
Religious education
Priestly formation
The seminary's central function is the formation of men discerning or preparing for Chaldean Catholic priesthood. The supplied reference material identifies the institution as a residential seminary but does not provide a detailed public curriculum, degree structure, or accreditation information.
Theological education facility · 2008
Institute of Mar Abba the Great
A campus building associated with the seminary. It contains a chapel, library, and classroom, supporting worship, study, and educational activities connected with the institution.
Sources1 sources
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