http://www.montezuma-ga.org/chamber/plookup.htm
Searches here also returned a W.C. KOHLER,
from Iowa; George KAHLER, from Iowa; John H.
KALER, from Ohio; Robert F. KALER, from TN,
W. COLLER, from New York, Henry CULLER,
from NJ, George A. CULLER, from Illinois,
William J. KAYLOR, from IN, Samuel F. KAYLOR,
from MI, C. KAYLOR, from ?, F. KAYLOR, from
CT; no CALLERs; 15 different KELLERs, and
no KELLARs. I searched a few other spellings
as well, to no avail.
Leslie Bridges Kohler