So, you got an email from someone and wants to find out if he/she is on Facebook. Easy peasy! There are numerous ways you can find a person if you his/her email address using tools on the web. Gone are the days when you have to know some basic information about the person to look him up. You don’t have to know the name of the person to find him/her on Facebook.
You can easily find someone on Facebook by searching for his email + a few tips.
Related reading: How to find a person’s email address on Facebook.
Method 1
Search for his email on Facebook’s search field.
Go to Facebook.com and login.
If you’re already logged in, go to your news feed.
You’ll find the search bar on the top. (current design as of 2014.)
Below is a screenshot that shows you how it looks as of now.

As you type in the email address, you will find that profiles keep popping beneath with possible matches.
Click on the profile if you identify the person or otherwise, select – Find all people named “email address”
Then you can narrow down the results even further.
You will see advanced search filters on the right hand side (current design as of 2014).

Now, you can try selecting each factor in the search filters.
For example, selecting “Male” from the Gender option will instantly replace the search results with people who are Male.
If you know additional details about the person, try entering it into other fields. Like “Current City” or “HomeTown”.
If the person was an old school mate of yours, try giving in the name of your hometown – feel free to to change it to near by places as most people do not always give accurate information while signing up for Facebook.
This is by far the easiest way to find someone on Facebook!
Method 2
Use Google.
This is a less effective way, but in some cases, it might work.
Here’s how you do it.
Go to Google.com
Type in site:facebook.com followed by either the name of the person you are trying to find or his/her email address. It should look like this (see screenshot.)

In the search results, you will find every instance of that email address, and if the person has used it on Facebook, show up his/her profile too.
All the best finding someone on Facebook by Email !
Sure thing, I agree.
Hello Mani, Google, Facebook are one of the great sources to find the email but every time you cannot hit to the right person. Tools like Rapportive, AeroLeads Email Hunter etc. really helped me to get verified list of emails.