Maisie Williams was born on 15 April 1997 in Bristol, United Kingdom. Her parents divorced when she was a little kid. She was brought up by her single mother, Hillary Frances, (originally Hillary Pitt), a former university course administrator, who is now both her manager and personal assistant. Her mother is also a survivor of breast cancer.
Maisie is the youngest of four children. She has an older sister named Beth and two brothers James and Ted.