Word from business search vertical, Business.com that they've added people search to their site. The data comes from Eliyon, who crawl primarily the open web (caveats about data quality, of course) and AI to build profiles of people. Eliyon also offers access to the same database on their own site, in fact it offers an additional search field. Eliyon also offers access via Lycos People Search.
I wrote in a blog post about a week ag that although far from perfect, I've noticed some solid improvement with Eliyon in the past few months. One of the biggest problems that I continue to encounter is the lack of "authority control." Btw, this is not only an issue for Eliyon but for many web engines and uncontrolled databases. Yes, AI can help but it's still not perfect.
To learn more about authority control and how it works with a controlled database, take a look at the authorities database that The Library of Congress makes available online (it can also be a great research tool). It offers definitive records for the names used in their catalogs and databases. More about it here. OCLC also has an authority file. For example, I'm officially: Price, Gary, 1965-.