William Matthews was ordained as the first Catholic priest born in British America.

William Matthews, occasionally spelled Mathews, was an American who became the fifth Roman Catholic priest ordained in the United States and the first such person born in British America. Born in the colonial Province of Maryland, he was briefly a novice in the Society of Jesus. After being ordained, he became influential in establishing Catholic parochial and educational institutions in Washington, D.C. He was the second pastor of St. Patrick's Church, serving for most of his life. He served as the sixth president of Georgetown College, later known as Georgetown University. Matthews acted as president of the Washington Catholic Seminary, which became Gonzaga College High School, and oversaw the continuity of the school during suppression by the church and financial insecurity.

The Catholic Church, also known as the Roman Catholic Church, is the largest Christian church, with 1.27 to 1.41 billion baptized Catholics worldwide as of 2025. It is among the world's oldest and largest international institutions and has played a prominent role in the history and development of Western civilization. The Church consists of 24 sui iuris (autonomous) churches, including the Latin Church and 23 Eastern Catholic Churches, which comprise almost 3,500 dioceses and eparchies around the world, each overseen by one or more bishops. The pope, who is the bishop of Rome, is the chief pastor of the church.

British America collectively refers to various colonies of Great Britain and its predecessor states in the Americas prior to the conclusion of the American Revolutionary War in 1783.