The Mississippi Department of Corrections announced the death of Lessadolla Sowers at Mississippi State Penitentiary.
Sowers, formerly of Tunica County, was convicted of 10 counts of voter fraud in April 2011. She was sentenced to five years at Parchman for submitting fraudulent ballots in the August 2007 Democratic primary election.
Sowers appealed to the Mississippi State Supreme Court, which upheld her conviction in November 2012.
MDOC officials said Sowers, 69, possibly died from stroke complications on April 7.