Good luck with that. Even the credit reporting companies get confused and can't figure out who I am accurately. And I actively help them since I like having credit cards and the ability to get mortgage loans.
Facebook has built a platform that's much more accurate and comprehensive than anything experian has, because experian isn't in the business of selling your political beliefs and sexual orientation and a hundred other demographics to marketers.
You can file a FOIA request with Facebook to see what they have on you. Other people have, and have gotten their dossiers. Have you had a phone number or mailing address in the past 10 years? If so, they've gotcha covered.