The Question and Answer section for Something Wicked This Way Comes is a great resource to ask questions, find answers, and discuss the novel.
Jim's mother seems to be happy and content. She is described as "humming like a tea-kettle", and the "happiest woman he [Jim] had ever seen".
Mrs. Holloway is a minor character. She is Jim's mother and Charle's wife. We briefly see her at home a few times in the novel, but she is unaware of the action and events around her.