How to Find a Person From Their Facebook ID | Techwalla
If you're trying to use Facebook to find a person or business, you can do so using their Facebook ID or Facebook username if you have it. Match a Facebook ID number to a name by typing it into the Facebook URL. You can also use the Facebook developer API to do this if registered with Facebook.
13 Nov 2018 ... Facebook ID Number to Name. Most of the time, you won't know your friends' Facebook IDs or their Facebook usernames as well as you know ...