[2] Cathy Steinberg was the first to voice Sally in 1965 for the CBS special A Charlie Brown Christmas; she was five years old at the time.

[3][4] Sally was born on May 26, 1959, with Charlie Brown receiving a telephone call from the hospital and dashing out of the house yelling that he had a new baby sister.

[5] Although Sally was often talked about and was the cause for a celebration that included Charlie Brown passing out chocolate cigars, it was not until August 23, 1959, that she finally made her first appearance in the strip.

[10] The building would answer back in thought bubbles, although Schulz's intention was that Sally could not hear these replies.

Sally was most recently played by Milly Shapiro in the 2016 revival of You're a Good Man Charlie Brown.