The majority of persons
with the surname Coolahan
are born in October
and die in December
born dead
50.0% live in Maryland
8.6% live in Illinois
5.2% live in Pennsylvania, Ohio and Michigan
If you don't like people
with the name coolahan
you should probably go to
New Hampshire (None live there).
Cool fact: Maryland
is the state with the most
last name coolahan per capita.
Check out the popularity
of the last name coolahan
for each state in the map below.
