The majority of people
with the surname Kopczynski
are born in March
and die in December
born dead
20.6% live in New York
18.1% live in Illinois
12.3% live in Wisconsin
If you don't like people
named kopczynski
you should probably move to
Maine (None live there).
Fun fact: Wisconsin
is the state with the most
last name kopczynski per capita.
Check out the popularity
of the last name kopczynski
for each state in the map below.
