[2][19][20][21][22] During the period of his public service, he acquired extensive land holdings in Fairfax and Loudoun Counties.

[24][25] Historians have suggested than Wren may have been the architect of George Mason's residence, Gunston Hall.

[29] The chancel is decorated on both sides with hand-lettered plaques displaying the Decalogue, the Lord's Prayer, the Apostles' Creed, and the Golden Rule.

[4][34] In the same year, Jefferson wrote Secretary of State James Madison warning him of the perilous nature of the public roads in Northern Virginia, and advised, "You had better start as soon as you can see to drive, breakfast at Colonel Wren's, and come here for dinner.

"[35][36][37] During the Burning of Washington in 1814, President James Madison and Attorney General William Pinkney stayed the night at his tavern.