The majority of persons
with the last name Koperski
are born in September
and die in January
born dead
18.5% live in Ohio
16.3% live in Michigan
12.5% live in New York and Nebraska
If you don't like people
called koperski
you should probably go to
New Hampshire (None live there).
Fun fact: Nebraska
is the state with the most
last name koperski per capita.
Check out the popularity
of the last name koperski
for each state in the map below.
