History:

Tummalapalli: This surnames spread likely shows how people with this surname moved around over time. We can guess at reasons, like people moving because of trouble (like wars or food shortages) or because they wanted better jobs or lives. Where they settled depended on things like available land. The name itself might have changed slightly in different places.

This Surname has Koundinyasa Gotra.

Description:

Tummalapalli: This surname is mainly used by people in India who speak Telugu. Lots of people with this surname belong to different groups, and which group someone belongs to depends on where their family is from.

I can suggest a few possibilities based on how sounds might change: A shorter version might be "Tummalapall." We might also see "Tummalapally" or "Tummalapali," reflecting slight pronunciation differences. Or, there could be a totally different spelling that sounds the same. But these are just guesses without more information.