As for 2008, Nancy is earning $400,000 per episode of The Simpsons.
Nancy donated $11.2 million to the Church of Scientology, as part of the church's Global Salvage effort.
Cartwright was once pulled over for having a license plate that read "Aye Carumba". When she asked the policeman if he had ever heard of The Simpsons, he responded with "No".
She is the voice of Putt-Putt in the computer game Putt-Putt Enters The Race.
She is a member of the church of Scientology. Her devoutness was shown when, after the writers of The Simpsons put a joke about the religion into the script and she asked that it be removed.
She won the Emmy Award for Outstanding Voice-Over Performance in 1992.
She resides in Northridge California and lives near Tampa and Lassen.
She does the voice of Bart in all of The Simpsons video games.
Time Magazine considers her one of the top 100 influential entertainers of the 20th century.
She is a contributor to ASIFA-Hollywood's Animation Archive Project.
In 2005, an incorrect news story circulated that Cartwright had entered politics and been elected mayor of Northridge, California. In fact, Cartwright had been honored with the ceremonial title of "Honorary Mayor" by the Northridge Chamber of Commerce. Northridge is a neighborhood of Los Angeles and has no office of mayor.
She was offered the chance to do the female voices for South Park, but turned it down because she felt the show was too offensive.
She attended Ohio University from 1976-1978 as an interpersonal communication major and was awarded the Cutler Scholarship for academic excellence and leadership.
Her character, Bart Simpson, was rated number 2 in Comedy Central's newest show 'Mouthing Off: 51 Greatest Smartasses'.
The segment of The Twilight Zone: The Movie in which she appears is based on the same episode that was later parodied in The Simpsons Halloween special.
Like many tourists, she attempted to disturb the notoriously unflappable guards at Buckingham Palace in London. When she blurted, "I'm Bart Simpson, who the hell are you?", she succeeded.
She was friends with Daws Butler, the voice of Yogi Bear, Huckleberry Hound and hundreds of others. They regularly exchanged letters, and soon he was addressing her "Dear Pixie." He sent her scripts to record, and then critiqued the tapes she returned. At 12, she joined a children's theatre company and made her first stage debut in "An Old-Fashioned Christmas". The director asked her to join his summer theatre group. She traveled with them for four years. As a senior, she was president of the Forensic League at Fairmont West High school.
When she auditioned for The Simpsons she was rehearsing for the voice of Lisa Simpson, not Bart Simpson. During final preparations, while reading the script she realized she could do Bart Simpson's voice.
She has two children with Warren Murphy. They are named Lucy Mae and Jackson.
She is 5'(1.52 m) in height.
She has a nasally voice in real life.
She was the voice of Gusty in My Little Pony.
She replaced Christine Cavanaugh as the voice of Chuckie from Rugrats.
She was a background singer on Weird Al's Bad Hair Day album.
She has written a book which is an autobiography and behind the scenes look at The Simpsons called My Life As a 10-Year-Old Boy.
Nancy: Since September 11, security has been increased everywhere, and we have new IDs to get on to the Fox lot. I drove to the security gate, but realized I'd left my ID in my other car. I just broke into that voice - 'Hey, man, I'm Bart Simpson. Who else sounds like this?' The guard waved me through.