History:

Baisaras spread likely came from a mix of people choosing to move and being forced to move. Families might have moved for better jobs or to marry into families elsewhere. Over time, this spread this surname further. Wars, hunger, or political problems also forced people to move, carrying this surname to new places. Where people settled depended on things like food, land, and existing communities. Good farming or trading areas attracted more people with this surname, making them more common there. Harder places to live led to a more spread-out population. The combination of these things – choosing to move, being forced to move, and where they settled – explains where this surname is found today.

Description:

We could try shortening it to "Bais" or changing the spelling slightly to "Baysara". There might also be variations based on family history, but wed need more info to guess those.