How do you add faces to photos on a Mac?

How to manually add a picture to a People profile

  1. Launch the Photos app on your Mac.
  2. Select the picture that has the person’s face you want to add to a People profile.
  3. Click on the Info button at the top left side of the Photos window. …
  4. Click the Add button next to Add Faces.

For More Information Please Refer: https://www.imore.com/how-use-people-and-places-photos-mac