A very rare name used almost predominately by Ashkenazi Jews. It's a pet name for Jacow, which is a Russian variant of Jacob. Personal experiences with the name Jascha: | Edit. The Jascha I know is in his mid-twenties, studying to be a doctor and, like his namesake, is a fantastic violinist.
Jascha is baby boy name mainly popular in Christian religion and its main origin is . Jascha name meanings is Seizing by the heel, supplanting. Other similar sounding names can be Jacob.