I am Clarence Kooi, age 83, living in Sacramento, California.
My grandfather, Remko Kooi, was born in Chicago but moved to Iowa in the late 1890's. It may be that the Clarence Kooi from Kanakee, Il, whom you mention, is the grandson of John Kooi, Remko's brother who remained in Chicago.
Clarence F. Kooi
10 Picket Court
Sacramento, CA 95823
916-399-8381
cfkooi@hotmail.com