History:
Without that, any answer about how this surname spread would just be a guess.
Description:
Its possible this surname is quite rare, only used in a small area, or a newer name.
The name Saradha is lovely! This surnames variations are interesting, showing how names change over time and in different places. We could use Saradhan, a longer version, or Sarathi, a similar name with a slightly different meaning. Sarada is a shorter, more common version, often used as a first name. These show how names adapt.
