(T-G Photo by David Melson)
She was identified on Sunday as Bianca Sandoval, police said.
The girl was in a front room, believed to be a bedroom, of the frame home, Fire Chief Ricky McConnell said.
The fire is believed to be electricial in nature, originating in the room where the girl died, McConnell said.
Authorities said the girl's grandmother, Blanca Sandoval, who was caring for her when the fire broke out shortly before 11 a.m., suffered minor burns. She was outside the home screaming for help when fire crews arrived.
The grandmother was taken to Heritage Medical Center's emergency room. The girl was staying with her grandparents while her mother was working, Detective Sgt. Brian Crews of the Shelbyville Police Department.
An autopsy is planned for the child and the state bomb and arson squad will inspect the home to determine the source of the blaze, Crews said. Both are normally performed in fire death cases and are not indicative of suspicion of foul play.