Apple seems to be saving the face tag as EXIF, under prefix IIO. Where you can find x,y w, h, type, confidence level and face id which is a number. However the name of the person isn't stored. I assume, face id gets matched for a name in Photos app db.
protosphere
Users receive reputation points by contributing quality content to the forums.
Posts include post and replies published on the forums.
Post authors can mark replies as Accepted to indicate successful solutions.
Apple Developer Forums admins can mark replies as Apple Recommended to indicate an approved solution
Last seen
User for