AlltheInterweb's Internet Directory
Advanced Background Checks - Look-up people in the USA.
Who? Me? - Find out if someone is looking for you.
Peopletracer - Search the 2002 - 2014 UK Electoral roll, from 20p a search.
Canadian People Search - Find a person in Canada by first or last name with a street, city, or reverse phone lookup.
Google Person Finder - Helps people reconnect with friends and loved ones in the aftermath of natural and humanitarian disasters.
Inforegistry - Background Check, People Lookup, Criminal History