Kiernan Brennan Shipka was born on November 10, 1999, in Chicago, Illinois, to John Young Shipka and Erin Ann Shipka. She spent her early years in the Midwest before the family moved to Southern California so she could work in entertainment. She started in commercials and small television appearances while still a child, then landed the role that defined her youth: Sally Draper on AMC’s Mad Men. Standing about 5 feet 2 inches tall, with a slim frame, pale blonde hair, and clear blue eyes, she became known for a polished, old-Hollywood prettiness that read older than her age on camera. Critics noticed her early. As Sally she aged from a little girl into a restless teenager across seven seasons, earning several award nominations and a reputation as one of the most grounded young performers on prestige television.
After Mad Men ended she refused to stay boxed as a period-drama kid. She starred as Sabrina Spellman in Netflix’s Chilling Adventures of Sabrina, a darker comic-book take that ran from 2018 to 2020 and made her a genre lead with a wide young audience. Film work included The Blackcoat’s Daughter, Fan Girl, Let It Snow, Wildflower, and later projects that kept her between independent drama and studio teen romance. She has also appeared in well-known magazine features that leaned on the same mix of youthful beauty and composed screen presence. Across nearly two decades she has moved from child actor to young adult lead without the usual crash, carrying both a landmark cable drama and a flagship Netflix series. That combination of grace, discipline, and range has made her a familiar face to viewers who first met her as Don Draper’s daughter and still stayed for Sabrina and the work that followed on both television and film screens worldwide today.