<P> Linda McFly ( portrayed by Wendie Jo Sperber ) is the middle child and only daughter of George and Lorraine McFly . In 1985 before Marty went to 1955 , Linda is having boy trouble and it is unknown if she is in college or has a job . In 1985 after Marty went to 1955 , Linda works in a boutique and has gained the attention of many boys . </P>
<P> Linda McFly ( portrayed by Wendie Jo Sperber ) is the middle child and only daughter of George and Lorraine McFly . In 1985 before Marty went to 1955 , Linda is having boy trouble and it is unknown if she is in college or has a job . In 1985 after Marty went to 1955 , Linda works in a boutique and has gained the attention of many boys . </P>
marty mcfly 's sister in back to the future
marty mcfly 's sister in back to the future
Linda McFly ( portrayed by Wendie Jo Sperber )
Linda McFly ( portrayed by Wendie Jo Sperber )