The Cornet John Farnum Jr. House, built circa 1710, is one of the oldest homes in the historic Blackstone Valley town of Uxbridge, Massachusetts.

Uxbridge is in the heart of the Blackstone River Valley National Heritage Corridor, which is the oldest industrialized region in the United States.

The Cornet John Farnum Jr. House was the site of the first Uxbridge Town Meeting in 1727.

[2] John Farnum Jr. was a "cornet", a now obsolete military position similar to an ensign.

[3] The significance of the house, the town, and Cornet John Farnum Jr. are now linked to American history as part of the Blackstone River Valley National Heritage Corridor.