In season 7, it was revealed that Roseanne's unborn child would be a girl, but Roseanne wanted the baby's gender to be the one of her real child, son Buck Thomas, born in 1995. Roseanne's character became pregnant three months before the actress. Jerry was born in the Halloween episode in 1995.
In the 2018 revival it is mentioned by Roseanne that he is a on a fishing boat in Alaska. Photographs of him can be seen in the lounge room, which are actually photos of Roseanne's real-life son, Buck Thomas.