Question: Q: Does anyone have a solution to stop a lot of Pictures in Persons to keep on loosing their names?

Which system version do you have installed?

There are several possible reasons for named faces losing the name:

• When you add adjustments to a photo, Photos will scan the photo againfor faces and you may have to assign the name again.
• When you install a software update, the face recognition algorithm may have been updated, and the detected faces may now differ slightly. Then you will have to confirm some of the faces again.
• When you download the library again from iCloud Photos, the face names may be missing, if you are using an older version of Photos (Photos 2 or older), that does not sync the photos with iCloud. And manually added faces circles may be missing in all versions of Photos, whenyou download the photos from iCloud.
• Sometimes the faces of people get merged because of face recognition errors or an incorrect iCloud syncing.

To save the named faces and make it easier to recover from lost or wrong people names, I always add the name of the person as a keyword as well. Then I can check with two smart albums, if face names have been lost and can quickly correct the problem, for example:

• Album 1: Find Photos with the keyword "Peter", but no named Face "Peter"
  • File > new smart album
  • Person is not Peter
  • Keyword is Peter
• Album 2: Find Photos with the person "Peter", but no keyword "Peter"
  • File > new smart album
  • Person is Peter
  • Keyword is not Peter

There is no easy fix. My library with 55000 photos and a People album with 888 persons is still a mess, even nearly half a year after the Catalina upgrade. Before the upgrade I had more than 1000 people in the people album. At least the names have been saved as keywords, so I know which persons are in a photo, but I still have to identify the individual faces. Because this has happened with every major upgrade of Photos I am now relying mainly on the keywords and descriptions "Left to right. Mickey, Minnie, Donald, Daisy...". These have been proven reliable across the system upgrades. plus a screenshot of the faces circles for the group photos.

Especially since the last update also the name tagged to a person keeps on being removed so that the person in the picture has a blank box.

I have seen this a lot as well.

So far, I only noticed it in photos with more than one person.

It may be caused by the new restriction in Photos 5, that we cannot assign the same name to more than one face in the same photo. When we have a photo of a person on front of a mirror, we can assign the name to one of the faces shown, but not to the face and its mirror image.

This helps to prevent the terrible iCloud syncing errors of names, where the names in group photos or of selfies of couples have become mixed up. In the first version of I had many photos of couples, where both people have been tagged with the same name. This caused the albums of the two people to be merged. This no longer happens. But while Photos has tentatively assigned the name of Daisy to Donald in a selfie of Donald and Daisy and is waiting for the confirmation with "Confirm additional faces", we simply cannot add Daisy's name to Daisy's face, because the name is already taken for the face of Donald (invisibly). This is why we have first to confirm all wild guesses by Photos with "Confirm additional faces) to free the blocked names.