Mustered into service as a Private on July 29th, 1861
Died 05 March 1864 / 1869
Buried somewhere in Hunterdon County New Jersey
Private Terwillinger was wounded at the Battle of the Second Bull Run on August 30th, 1862 and would be discharged because of those wounds in November of that same year.
The above headstone request indicates that George is buried in a cemetery in Hunterdon County New Jersey.