Barnard Capen House Postcards Barnard Capen House No. 2685 Postcard. No caption. Postally unused. On verso: House of Barnard Capen. Built in 1637. His is the oldest marked grave in Massachusetts. Published by the Dorchester Historical Society. Facebook Twitter Print Friendly Skills 523 Washington Street, Barnard Capen House, Dorchester Posted on December 11, 2022 ← Lion House General view of Franklin Park →