Heather Dowdee would like to see less of her daughter—her daughter’s selfies, at least. She and four other people in her family share a single Mac to which everyone uploads their media. That copy of Photos has iCloud Photo Library enabled, syncing and backing everything up.
The iPhones all have separate names, and in iTunes they all are separate entities. But Photos just puts all the photos together. Now we’re up to 60,000 photos and when I look at my library, I don’t want to see all my teenage daughter’s headshots.
We tried separate Photos libraries, but it just took a few mistakes—not logging out of one—and our libraries were a mess.
You’ve already tried one of the most obvious ways to deal with it, which is creating separate Photos libraries and selecting them on launch. With five people, that’s obviously both a pain and didn’t work.
You could set up separate macOS logins so that each family members logged into their own Mac account, which was then associated with a separate iCloud account and thus a separate iCloud Photo Library. That can wind up adding a few dollars a month in cost to have enough storage for each account.(The article continues...)