Daniel I am also a part of the Duchesne family from Puerto Rico. My mothers maden name is Duchesne. I am also trying to find out more about our family. The only thing I know so far is it comes from french desent. But at the same time Indian. my grandfathers nick name was Indio. please E-mail me if you have anything els. I have just started to try to figure this out. Your Friend, And Relative Jackeline.