The majority of people
with the last name Koolman
are born in March
and die in January
born dead
25.9% live in Michigan
22.2% live in California
14.8% live in Ohio
If you don't like people
named koolman
you should probably move to
New Hampshire (None live there).
Fun fact: Michigan
is the state with the most
last name koolman per capita.
Check out the popularity
of the last name koolman
for each state in the map below.
