40.3% live in New York
9.7% live in Pennsylvania
7.8% live in Michigan
If you don't like people
with the name terwilliger
you should probably move to
Maine (None live there).
Interesting fact: New York
is the state with the most
last name terwilliger per capita.
Check out the popularity
of the last name terwilliger
for each state in the map below.