Which architect designed the Baltimore Basilica, the first Catholic cathedral in the U.S.?

Benjamin Henry Latrobe designed the Baltimore Basilica, the first Catholic cathedral built in the United States after the nation’s founding.

The cathedral, officially the Basilica of the National Shrine of the Assumption of the Blessed Virgin Mary, was commissioned under John Carroll, the first bishop of the United States. Construction began in 1806, and the building opened for worship in 1821, although later work continued for decades.

Latrobe gave the church a monumental Neoclassical design based on a Latin-cross basilica plan. Its Greek portico, Ionic columns, twin towers, and central dome reflected classical European traditions while creating a distinctly American Catholic landmark. Thomas Jefferson advised Latrobe on the dome’s wooden double-shell construction, but Jefferson was not the architect.

A common mix-up is confusing Latrobe’s Baltimore cathedral with his work on the U.S. Capitol. Latrobe was also involved with the Capitol, but the Baltimore Basilica remains one of his most celebrated independent designs.