She and her husband moved into a new house in 2002, the same year that Brennan was born.
Her son Brennan set up an Instagram account for her called chefjillsauce. She signed up for what would be her real account, itsjilldonnelly, in May of 2017 for Mother's Day.
She raised her three children with her husband Mike.
Her daughter Katie joined a group called The Coral Girls along with Arden Martino.