Thomas Pellet
1670s / 1728
Cyrus Pierce
1850
Capt. John Adams
c. 1817
I have no idea how many historical houses there are in Concord, but I will try and find out. If a sign is for your ancestor, please let me know, and I will take a photo of the house.
Downtown Concord, MA on a nice rainy day. (To me, the best time for taking photos, esp. cemetery stones.)