This APPEARS to be the man you're looking for:
09/12/1918 World War I Draft Registration
Georgia - Terrell County - Dawson
RUSSELL, Clarence Lee - white, native born on 06/26/1882
Living at Route 2, Dawson - Farmer
Nearest Relative: Lurlie Ethel RUSSELL
He was tall, slender, with grey eyes and (brown?) hair. No disabilities listed.
(Draft Registration cards often have the birth year off by one year.)
1920 Federal Census - Georgia - Terrell County - Georgia Militia District 909
RUSSELL Family (white)
Clarence L., head, 35, farmer
Lurlie E., wife, 31
Renan V., son, 6 (not sure about this name)
Clarence and his parents were born in Georgia; Lurlie and her parents were born in Kentucky; Renan was born in Georgia.
Not sure where the family was in 1930.