37.4% live in New York
10.8% live in Illinois
6.3% live in California
If you don't like people
named oshaughnessy
you should probably go to
Kentucky (None live there).
Cool fact: New York
is the state with the most
last name oshaughnessy per capita.
Check out the popularity
of the last name oshaughnessy
for each state in the map below.