In the 1900 census Mississippi, Tallahatchie, Beat 3 I find Thos Rideout (spelling in Ancestry Redeont) born Jun 1835 Tennessee wifeLucy born Apr 1847 Mississippi son Mayfield born Dec 1878 Mississippi daughter Adeltha born May 1889 Mississippi.
In the 1910 census Mississippi, Tallahatchie, Beat 3 I find Mayfield Rideout (spelling in Ancestry Ridaorth) b abt 1880 Mississippi wife Dortha b ? Mississippi daughter Lunz b abt 1905 Mississippi son Roga b abt 1907 Mississippi son Clement b abt 1909 Mississippi father Thomas L age 76 b Tennessee.
The 1910 census is very difficult to read so I’m sure some of the names are spelled wrong. I don’t find anything in the 1920 or 1930 census.