In some cases, it is possible to find someone with just their first name, their age and the town that they live in. Websites such as wink.com provide free advanced person-search results based on a first name with a town.
If the first name in question is a very common name, it may be more difficult to identify the correct entry. Wink.com provides information on citizens in many countries worldwide provided they are linked to some form of social media. The Canadian website canada411.ca also offers a free online advanced search for its own citizens based on information from the telephone directory. In general, the online white pages advanced searches are not very successful without a last name.