 In the 1830s, Matthews sold his house to fund the building of a new church on the northeastern corner of 15th and H Streets near the White House to alleviate overcrowding at St. Patrick's Church.A new parish was founded in 1839 and the new church was completed in 1840; it was dedicated on November 1 that year.The church was named St. Matthew's Church in honor of both Saint Matthew and William Matthews.