McElroy. The bishop of San Diego is set to become the new Archbishop of Washington, D.C. McElroy, 70, will succeed retiring Cardinal Wilton D. Gregory in March. Until a new bishop is named, an administrator will oversee the San Diego diocese on an interim basis,

Having led the San Diego diocese since 2015, McElroy, 70, has experience with immigration, both as a political issue and a reality in his diocesan churches.