[1] The original cornerstone was laid in 1870 under the supervision of Bishop Daniel Sylvester Tuttle with funding from Episcopalians in New York and Pennsylvania.

Rowland Hall / St. Mark's School is now merged and offers education today for K–12.

St. Mark's Cathedral was built by architect Richard Upjohn in the Gothic Revival style.

This space includes the Dean's hall that provides a meeting and dining area for up to 300 people.

There are also offices, meeting and other space that serve the cathedral and community that it reaches out to in many ways.