Locate My Name website is mainly used for finding origins of names, curiosity, entertainment and genealogy research.
By searching some politicians' names, We have found the following results:
The most people named Bush are in Texas, which makes sense.
Name Blair is mostly found in Scotland in Glasgow and Edinburgh. Tony Blair was born in Edinburgh.
The name Berlusconi is almost exclusively found in Lombardia, Italy. Silvio Berlusconi was born in Milano which is the capital of Lombardia.
NEW: Etymology section added, check Menjivar.