Search the person's first name and last name as a single search term within double quotation marks: e.g. "John Smith". If the name is a somewhat common one, many irrelevant results will show up. To filter these results, try including a middle initial or middle name with your original search: "John A.

If you've Googled yourself and see personal information in a search result, you can request removal by clicking on the three dots next to the result. That will take you to Google's new removal tool, which will ask you some questions about the kind of information that's being revealed.