History:
Tarapore: This surnames spread probably shows how people with this surname moved around historically. The names popularity in certain places hints at possible reasons. Things like forced moves due to wars or poverty, or people choosing to move for better jobs or religious freedom, could explain it. New settlements created by people with this surname would naturally spread the name. Over time, slight spelling changes might have happened as the name adapted to different languages and cultures.
Description:
Tarapore: This surname is mostly used by Parsis in India. It probably just shows family history within the larger Parsi community. Looking at individual family trees might give more details, but you wont find a simple connection to a specific Parsi sub-group.
Thats a fascinating name, this surname! I can tell you that understanding its variations needs more digging than I can currently do.
