The Stilson toolbox is from the Stilson family. Three carpenters are listed as residents of Monkton in “Hamilton Child’s 1881-1882 Directory of Addison County.” The 1857 Addison County map has two homes just to the west of Monkton Village labeled H.P. Stillson and A. Stillson.
This would be the boxes of my 2nd and 3rd great grandfathers.