Lightroom Classic: Way to Search unconfirmed faces?

Not exactly.  But Lr provides a very powerful "Find Similar Faces..." capability to allow you search for similar looking faces and sort the faces according to their similarity to the query face(s) within your source photo selection (current filmstrip photos).

You can follow the "Confirm name suggestions" section in https://helpx.adobe.com/lightroom-classic/help/face-recognition.html#Tagimages to find similar faces to the confirmed ones. Or in general, you can right-click (or ctrl+click on mac) on any face (or face stack, confirmed or not) and invoke "Find Similar Faces..." from the context menu.

Once the similar faces are sorted, you can multi-select faces either to confirm or tag them.

This is also one way to search for similar faces without explicitly tag/confirm them.

Thanks, Simon.  I'll check this out later today.  I was using that function for tagging/confirming but we'll see if it does what I need.  I'm hoping to find a way that it will treat unconfirmed names like keywords, so that they could be combined with other tags or metedata in a search (e.g. find photos with both "bob?" + "mary"; or "bob? + Month of May, 2019)).  I'll report back if I'm able to figure anything out.

This reply was created from a merged topic originally titled Lightroom: Searchable unconfirmed faces.

It would be great if the results of a text search would include unconfirmed faces. For example; you can search for the (confirmed) name "John". However, since John has been identified by Lightroom with great accuracy it would be great to be able to get the unconfirmed names in the results by searching for "John?". This could be implement easily implemented by actually * tagging * the tentative names with name + "?". The question mark would indicate the name is unconfirmed.

If you want to find all pictures of John, confirmed and unconfirmed, you would search [contains all] "John John?" in the search box.