History:

Wars or political chaos could have scattered families with this surname. Picture a conquering army moving people, or a famine forcing people to relocate. Those carrying this surname might have sought safety in new places, creating new communities and making this surname more common.

People with this surname might also have moved voluntarily for better jobs or land. Religious or political beliefs could have also led them to new areas, forming new communities there. Both forced and voluntary movements would explain why this surname shows up in different places. The exact details need more investigation, though.

Description:

However, we can think about some possibilities based on how the spelling might change over time or in different places. A shorter version might be Baag. Another possibility is Baege, maybe due to a different way of saying it or a different spelling. A third, less obvious possibility, is Bagge.