Research Clinic
supporting open source investigation
Search the UK electoral roll, phonebook, company information, certificates. See also Cameo  and 192's corporate portal.
is a great people research tool.
See also Peekyou, spokeo, radaris (US), namechk, wink, yoname, yasni and AdvancedBackgroundChecks(US).
Friends Reunited
Can be a very useful research tool. The biographical notes can provide good search keywords.
Infobel brings you a database of online telephone directories.
USA - Search Systems
Free directory of open source databases. TLO offer an amazing, but paid, service. See also peoplefindinfo, peoplesmart & blackbookonline for US people searching.
UK Databases 
has the person you are investigating been made bankrupt? Are they involved with a charity? Do they own a patent? Or run a company? Or own a property?
Google forum search 
allows you to search message boards and newsgroups. Also use this search macro to search Yahoo Groups using Google
Know UK
Search essential & exclusive sources e.g. Who's Who (subscription) also Biography - biogs of international figures
Amazon wish lists
An novel way of tracing someone and profiling their tastes and interests.
International Name Variations
Provides spelling variations for names Romanised from other languages. e.g. the six ways to spell "Dimitri".
Find by profiles by email address
Lullar searches social media websites for profiles associated with an email address.
Find people on Google+
and, while we're at it, on Linkedin. For Twitter, use Followerwonk or Twellow.

Facebook Graph search
Is one of the best ways of finding people. You can also use the member directory and Profile Engine
Knowem, checkusernames & Namechk
allow you to see where a username pops up on social networks


(c) Paul Myers 2014. The views expressed on this site are the author's own. The links do not represent an endorsement.
altered banner image (c) Jan Krömer, used with gratitude via creative commons license