Thomas Barr of Bolton is listed as making a Lantern clock in 1790 in Old Clocks and Watches & Their makers by F.J. Britten. Barr was considered a noteworthy maker and is mentioned in several horological publications.
A Thomas Barr is later recorded as making a Clock in Bolton during 1840.
Old Clocks and Watches & Their Makers – F.J. Britten
A maker Barr of Bolton was also listed as making a painted white faced Longcase Clock circa 1815-20.