Some sources say Poor was shot in a duel near Hackensack, New Jersey, on September 6, 1780, and died two days later from the wound, although the Army surgeon reported that Poor died from typhus.
Einige Quellen behaupten, Poor sei in einem Duell nahe Hackensack am 6. September 1780 angeschossen worden und zwei Tage später an der Verwundung gestorben, obwohl der Militärarzt meldete, Poor sein an Typhus gestorben.