William Gregory goes by Dills.
Gregory Ratoff went by Gregory the Great.
Ruth Gregory goes by Ruthie.
Gregory Marcel goes by Greg.
Gregory Littlejohn goes by L.J..
Gregory Rockwood goes by Rocky.
Gregory Kanter goes by Greg.
Gregory Holman goes by Greg.
Gregory Diggins goes by Digger.
Gregory Dixon goes by Grog.
Gregory Brecher goes by Grzesiu.
Gregory Michael goes by Greg.
Gregory McKinney went by Mac.