Patrick Aloysius O'Boyle (July 18, 1896 – August 10, 1987) was an American prelate of the Roman Catholic Church. He served as the first resident Archbishop of Washington, from 1948 to 1973, and was elevated to the cardinalate in 1967. He gave the opening invocation at the March on Washington
- We ask special blessings for those men and women who in sincerity and honesty have been leaders in the struggle for justice and harmony among races. As Moses of old, they have gone before their people to a land of promise. Let that promise quickly become a reality, so that the ideals of freedom, blessed alike by our religious faith and our heritage of democracy, will prevail in our land.