Her name was Margaret Ruth Groening and she was actually married to a man named Homer.
She also had daughters named Lisa and Marge and a son named Matt.
Yes that man is Matt Groening, the creator of the series.
Margaret died at the age of 94 with millions of fans all over the world who never knew the real woman.
In her obituary it’s claimed that Margaret (who never went by Marge) married Homer because “he made her laugh the most."
Groening had a third daughter named Patty and another son, Mark.
Among the notes left on the obit was one from a man who told Matt Groening "your mom became everyone's mom."