Sally Hardesty (Original Timeline)

Sally Hardesty Enright is the protagonist of the movie Texas Chainsaw Massacre.

Texas Chainsaw Massacre (1974)
Sally Hardesty is first seen walking with her uncle going to grandfather's grave due to reports of bones missing from graves (including her grandfather's) after this.

She decides to head out with her brother, and friends to go see there father's house in Texas and during this ride. They find a couple of men drunk and falling down onto the ground.

Later as they are driving to Texas, they pick up a hitchhiker named Nubbins and during the ride, he reveals he has been killing and removing the guts of cows in the slaughter house. He takes a photo her brother, Franklin and asks for $2 but when he refused the hitchhiker.

Nubbins proceeds to burn the photo and slash Franklin's arm with his razor after cutting his own hand causing them to go kick out Nubbins.

After Kirk, Pamela, and Jerry went missing after losing gas to the Sawyer House. Franklin and her decide to look for them, only for Franklin to be chainsawed to death by Leatherface and runs away from him before Drayton captures her.

After getting to the house once more, they tie her up onto a chair as she proceeds to pass out. After waking up, she starts losing her sanity due to the family's cannibalism, then they decide to kill Sally but only for her to escape and run.

This causes Nubbins and Leatherface to chase afterwards, causing Nubbins to be accidentally ran over by a unnamed trucker and making her escape onto another driver's truck as escape.

Trivia

 * Although her status is unknown. It's revealed in Texas Chainsaw Massacre III that she died in the mental hospital she stayed after the events of Texas Chainsaw Massacre.
 * But since Texas Chainsaw Massacre III is a "prequel" (technically a reboot) her official status is unknown