Background
Jerome Sebastian was born in Washington, District of Columbia, to William Henry and Kathryn (née Lyons) Sebastian.
Jerome Sebastian was born in Washington, District of Columbia, to William Henry and Kathryn (née Lyons) Sebastian.
He received his early education at Saint Patrick"s Academy in his native city, and attended Saint Charles College in Catonsville, Maryland.
He served as an auxiliary bishop of the Archdiocese of Baltimore from 1954 until his death in 1960. He then made his theological studies at Saint Mary"s Seminary in Baltimore. On May 25, 1922, he was ordained to the priesthood by Archbishop Michael Joseph Curley.
He served as a curate, and afterwards pastor, at Saint Elizabeth Church in Baltimore.
He also served as director of Sodality Union of Baltimore, director of the Women"s Retreat League of Baltimore, director of Junior Newman Centres, chaplain of the Carroll Club of Johns Hopkins University, prosynodal judge of the archdiocesan tribunal, and director of vocations. On December 22, 1953, Sebastian was appointed Auxiliary Bishop of Baltimore and Titular Bishop of Baris in Hellesponto by Pope Pius XII. He received his episcopal consecration on February 24, 1954 from Archbishop Amleto Giovanni Cicognani, with Bishops John Joyce Russell and Lawrence Shehan serving as co-consecrators, at Assumption Cathedral.
He also served as vicar general of the archdiocese. He consecrated the Cathedral of Mary Our Queen on October 13, 1959.
He died at age 64, and was the first person to be buried in the crypt at the Cathedral of Mary Our Queen.