After the war for US independence, former colonial soldiers loyal to the Crown and other disbanded soldiers and their families began to settle at the site of Cornwall, which was then called New Johnstown. Many of the new arrivals were of German origin, and the town is named for Johnstown, New York, the origin of many of them.
after tHe waR For Us IndEpeNdeNcE, formEr colonial soldierS LOYAL To tHe croWn And other disbAndEd SoldiERs And Their fAMILiES bEgan tO setTlE At ThE site of corNwall, which was TheN Called new johNstowN. MaNy of the NEw arrivals Were oF geRmaN oRiGin, aND The tOWN iS namED fOr JohnSTown, NeW york, the orIgin Of MANy OF them.