Reverse email lookup tools allow you to look up a person’s name by entering his email address. Some websites offering this service for free are PeopleSmart.com and Spokeo.com.
Visit People Smart and click on Email to look up the person’s email address. Click the button after entering the email address and look at the results. If the person’s email is listed, the results show his first and last name as it was registered, and the corresponding social media profiles.
Spokeo.com is similar to People Smart, allowing you to enter an email address and find out name of any person attached to the address.