Saiya's exact birthdate and birthplace are unknown. Her birthplace, however, is known to be the United States of America. In terms of nationality, she considers herself to be an American.
Her parents are modern dancer Marta Miller and her father, Robert S. Miller, who worked as senior vice president and managing director of Hyperion Books. She also has a brother, Ezra Miller, and a sister, Caitlin Miller. Millers' mother is Dutch and German, and her father is Jewish.
In terms of education, she has not revealed much information about her academic credentials. It is unknown which university she attended.
Saiya is best known for being Ezra Miller's sister. She is, however, going about her normal life away from the media and public scrutiny. There is little information available about her professional background or career. When it comes to her brother Ezra Miller's career, he is an American actor. He made his feature film debut in Afterschool (2008). He appeared in the drama films We Need to Talk About Kevin (2011) and The Perks of Being a Wallflower (2012).
Prior to playing Credence Barebone/Aurelius Dumbledore in the Fantastic Beasts films Fantastic Beasts and Where to Find Them (2016), Fantastic Beasts: The Crimes of Grindelwald (2018), and Fantastic Beasts: The Secrets of Dumbledore (2018), he appeared in the Fantastic Beasts: The Crimes of Grindelwald (2017). In 2020, he reprised his role as Donald Merwin's "Trashcan Man" Elbert in the miniseries The Stand.
Saiya's net worth has yet to be revealed because her profession is unknown. Furthermore, Saiya has amassed a sizable fortune through his acting career. He is estimated to be worth $3 million.
Saiya Miller could be single. She has kept her personal life private and her love life out of the spotlight. Furthermore, no information about her previous relationships is available.
Her body measurements, including height, weight, and other body statistics, have not yet been revealed. Her eyes are black, and her hair is blonde.
Miller is rarely seen on social media platforms such as Instagram, Twitter, Facebook, and Tiktok.