 With the seminary buildings completed and students arriving, Archbishop John Ireland began the second phase of his building plans, the erection of what was to become the main chapel, St. Mary's Chapel, which was dedicated on 4 May 1905.The seminary's old dormitory row (Loras, Cretin, and Grace halls) was nominated to the National Register of Historic Places in 1986 as a historic district.The "St. Paul Seminary Historic District" received reference number #86003818 and the listing code DR, meaning "Date Received" and nomination pending, but the listing was never finalized.