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Castle Fin, Illinois
Castle
Fin
is an
unincorporated community
in
Clark County
,
Illinois, United States
. Castle Fin is
north-northwest
of
Marshall
. The
community
was
founded
by
Robert Wilson
and
platted
in
1848
.
Wilson
named Castle Fin after his
hometown
of Castle
Finn
in
County Donegal, Ireland
.