Well, it could be argued either way. Sometimes, even with the same character, there can be nuances in the performance or the way the story is presented that might make it feel different. So, it's not a straightforward yes or no.
This mom is an important part of the family dynamic. She has her own quirks and is an integral part of the story's humor. For instance, her reactions to the various situations that arise in the family, whether it's the dad's obsession with the leg lamp or Ralphie's school problems, add to the overall light - hearted and relatable nature of the story. She is the glue that holds the family together during the Christmas period.
In 'A Christmas Story', the mom is played by Melinda Dillon. She portrays a typical mom of the era, dealing with the chaos of family life during the Christmas season, from handling her son's desires for a Red Ryder BB gun to cooking the holiday dinner.