85.7% live in Louisiana
3.2% live in Texas
1.6% live in Massachusetts, New York, South Carolina, Oklahoma and Nebraska
If you don't like people
named mcfarlain
you should probably go to
New Hampshire (None live there).
Fun fact: Louisiana
is the state with the most
last name mcfarlain per capita.
Check out the popularity
of the last name mcfarlain
for each state in the map below.