Those who were POWs during the Revolutionary War were both English and German. There were a range of places where they were captured from. Staten Island, New York and Quebec are among these.
Microfilm records can be searched to find POWs from the Revolutionary War which include the years 1776 through 1783. Names, ranks, states of residence, regiments, ship assignments and where they were captured at are all included within these long written notes.
Please contact me, or ask here, if you are interested in knowing more.