Kate Kerwin is Ashley Kerwin’s mother. She divorced Ashley's father, Robert, after discovering he is gay and has cheated on her with another man (Christopher). Later, she gets together with Jeff Isaacs, Toby Isaacs' father, making Ashley and Toby stepsiblings. She and Robert have been on good terms since their divorce. She later attends her ex-husband's marriage to Christopher. She was portrayed by Maria Ricossa.