Caroline was the wife of Clive Finch. She was shocked that a girl came to see her husband's research on the Doctor. While out shopping, her son and she witnessed Clive's death at the hands of an Auton during their attempted invasion of Earth. She and her son ran from the Autons. (TV: Rose)
Behind the scenes
According to Whoisdoctorwho.co.uk, Clive's wife was named Maggie. [1]