Ruth's mother, May, is a complex character who shows both harshness and occasional tenderness toward her daughter. She works hard to support her family as a finisher at a local dry cleaner, revealing her dedication despite strained family relationships.

A wayward alcoholic and Ruth's husband, Ruby struggles with maintaining steady employment due to his temper and lack of skills. His tumultuous relationship with Ruth and troubled background significantly impact the story.

Ruth's supportive aunt, Aunt Sid is a secondary character who offers Ruth encouragement and validation through their correspondence. Independent and childless, she provides a contrasting model of femininity and support compared to Ruth's mother, May.

Ruth's friend and bridesmaid, Daisy is a local girl known for her beauty and carefree attitude. She introduces Ruth to Ruby and maintains a supportive friendship with Ruth, despite her own turbulent lifestyle.

Ruth's intelligent younger brother, who moves away to attend college at MIT, is noted for his academic talents. His emotional distance and minimal communication highlight the contrast between him and Ruth's experiences growing up.