Most Reverend Mark E. Brennan

About Most Reverend Mark E. Brennan

Most Reverend Mark E. Brennan is a Boston native, the son of the late Edward Charles Brennan and Regina Claire Lonsway. He attended public schools in Massachusetts and Maryland before entering St. Anthony High School in Washington, D.C. Bishop Brennan graduated from Brown University in 1969 with a degree in history and then entered Christ the King Seminary in Alleghany, New York, for a year of philosophy before attending the Pontifical North American College in Rome for his theological studies. A parish priest for nearly his entire career, Bishop Brennan was assigned to Our Lady of Mercy Parish in Potomac, Maryland, from 1976-1981; St. Pius X Parish in Bowie, Maryland, from 1981-1985; St. Bartholomew Parish in Bethesda, Maryland, from 1986-1988; St. Thomas Apostle Parish in Washington, D.C., from 1998-2003; St. Martin of Tours Parish in Gaithersburg, Maryland, from 2003-2016. Bishop Brennan attended Spanish Language courses and Hispanic cultural studies in the Dominican Republic and in Colombia from 1985-1986. From 1988 to 1998, Bishop Brennan was the Director of Priestly Vocations in the Archdiocese of Washington. He was appointed Auxiliary Bishop for the Archdiocese of Baltimore on Dec. 5, 2016, and ordained on Jan. 19, 2017. He we installed as Bishop of Wheeling-Charleston in August 2019.