30.7% live in New York
27.3% live in Pennsylvania
13.6% live in New Hampshire
If you don't like people
called mcgranaghan
you should probably move to
Maine (None live there).
Fun fact: New Hampshire
is the state with the most
last name mcgranaghan per capita.
Check out the popularity
of the last name mcgranaghan
for each state in the map below.