How do we know for sure? Well it was in season 18, episode Marge Gamer that the most frustrated mum in animated comedy announced she was born on the same day as actor Randy Quaid - October 1st 1956.
Fortunately, thanks to The Simpsons’ non-linear plot format, Marge will forever remain a youthful 34 (over her true age of 61), which is just as well given the amount of crow’s-feet-inducing-stress Bart and Homer have given her over the years.
