Photos Mac do a great job of selecting faces, and if you have browsed and categorized people you know, it's a handy feature for finding snapshots of your grand aunt Mabel (or whatever ) without having to scroll by date. But sometimes, Photos does not recognize that there is even a pers in an image that you have taken. In this case, you will have to manually add this image to the "Faces" album of a pers, but fortunately it is quite simple to do. For this, you will start with the uncategorized image.
I can say that Photos does not recognize who is in the picture because when I click "I" ic in the toolbar to get informati about the image …
… I find that there is no listed face.
What I will do, Then click the butt "Add more faces" in this window of informati. In doing so, I will place a circle "click to name" my image.
I'll drag this circle until it's around my friend's face, and if I have to, I can click and drag the little white dot to the side
When it is in positi, I will do as the circle suggests and click the box to name the pers. As I start typing, suggestis of my existing faces will appear and I can select the right e to identify the fun guy in the picture.
After assigning the correct face to the photo, returning to its informati window will show me what I've de ! His face will appear there, and the image I just categorized will appear in his album "Faces", …