Larisa - From Russian name Larisa which is in use in Arm since XX c. It comes from Greek laris "pleasant", "fragrant". The others connect this name with Greek laros "sea-gull". The diminutive forms are Laris, Lara.
Sarkisyan - Sargsyan also Sarkisian (in Western Armenian Sarkisyan), is an Armenian surname derived from the given name Sargis.