Grigor - From Greek name Grigorios (Latin Grigorius), which means "awake", "watcher". This name is used by almost all the Christian nations. In Armenia it is used in the forms: Grigorios, Grigoris, Grigores, Grigor. The latter is the most common from which the surname Grigoryan is formed. The short forms are Gokor, Gikor, Girkor, Giko, Grish etc. There is also the surname Gikoryan.
Pogosyan - Poghossian, Pogossyan, Poghosyan, Poghosian, Pogosyan, etc., is an Armenian surname.
The Western Armenian equivalent is Boghossyan.