41.4% live in Massachusetts
17.7% live in New Hampshire
9.6% live in Rhode Island
If you don't like people
with the name courchesne
you should probably move to
New Jersey (None live there).
Interesting fact: New Hampshire
is the state with the most
last name courchesne per capita.
Check out the popularity
of the last name courchesne
for each state in the map below.