You may think it is virtually impossible to connect with someone on the Internet. It does not have to be this way, even you are looking for the person with limited data. There are literally millions of people online that can be searched, and chances are the person you are looking for is hiding out there somewhere in a database.
Sometimes you can look people up for free. There are free people search databases on the Internet. If you know the first and last name of the person it makes it much easier to locate them. You can do a search to find out things such as their email address, phone number and current address.
Just having the person's name will make it a little more difficult to do a search. If you know the approximate age of the person, it would really help you make a better decision to see if it is the right person that you are trying to do a background search on. You can limit the results by name and age to narrow it down. Once you have narrowed it down you can continue on.
If you have a telephone number for the person you are doing research on, this really helps you to narrow it down. You can narrow it down by getting an address, email address or any other identifying information that may help you. From there you can cross reference people search sites with the information you just collected to make sure you have the right person.
You can do a people search with limited data, but you will need at least one piece of information to start with. It would be virtually impossible to pick out a stranger on the street and find anything out about them on the Internet, you would need to do some street research first. Try to get at least one piece of information and go from there.