Bernard A. Maguire was an Irish-American Catholic priest and Jesuit who served twice as the president of Georgetown University. Born in Ireland, he emigrated to the United States at the age of six, and his family settled in Maryland. Maguire attended Saint John's College in Frederick, Maryland, and then entered the Society of Jesus in 1837. He continued his studies at Georgetown University, where he also taught and was prefect, until his ordination to the priesthood in 1851.