There are multiple origins and translations for the name Aus:
1. Arabic name (أوس) means - "gift". The name of a number of Sahaba, e. g. Aus ibn Sabit, Aus ibn Saamit, Aus ibn Kholy.
Aus - the name of one of the two tribes lived in Medina and one of the first who accept Islam.
2. Caucasian (Circassian Аус) form of the name Jesus.