Career
Mistress Gleason was named to complete the remaining eight months of her husband"s second term by then Governor Earl Kemp Long because insufficient time existed to call a special election for the position. The Gleasons resided in the Evergreen Community south of Shongaloo in central Webster Parish. They had three sons, Thomas Doctorate. Gleason (1924–1944, killed during World World War II), educator William East. Gleason of Minden and later Plaquemine, and Charles East. Gleason, later of Shreveport.
Mistress
Gleason did not seek a full term in the 1959-1960 primaries. However, William Gleason finished in fourth place. In a runoff election, Parey P. Branton, a businessman from Shongaloo, defeated the Minden attorney Henry Grady Hobbs (1923-2012), a native of Sarepta, by sixteen votes.
Branton held the seat until 1972.
He ran unsuccessfully for lieutenant governor in the 1971 Democratic primary. Mistress Gleason died in Plaquemine shortly before what would have been her 68th birthday.
Services were held at the Evergreen Baptist Church, and interment followed at the Minden Cemetery.