42.9% of those under age 18 and 10.4% of those age 65 or over. Education Grady County School System operates area public schools. Whigham School, a K-8 school, is in Whigham. Cairo High School in Cairo serves Whigham. Notable people The electric blues guitarist, songwriter, and singer Johnnie Marshall was born in Whigham in 1961. The Plath family, who have a show on TLC. Ernest Riles, former infielder for the San Francisco Giants and Milwaukee Brewers lived here during his time with the Giants. References Cities in Georgia (U.S. state) Cities in Grady County, Georgia