Maisie Lockwood

The girl who was never born, now the bridge between two worlds.

Maisie Lockwood is a central protagonist in the Jurassic World trilogy, introduced as the nine-year-old granddaughter of Sir Benjamin Lockwood in Jurassic World: Fallen Kingdom (2018). Portrayed by Isabella Sermon in her feature debut, Maisie lives at the Lockwood Estate under the care of housekeeper Iris. While initially presented as an adopted child after her mother Charlotte's death, the film reveals she is actually a genetic clone of her deceased mother, created by Benjamin following a car accident. This revelation reframes her existence from a simple family tragedy to a complex exploration of human cloning. In Jurassic World Dominion (2022), now fourteen and living in seclusion with adoptive parents Owen Grady and Claire Dearing, she faces new threats from Biosyn Genetics while grappling with the truth that she was born asexually by her genetic mother.

Quick Facts

Series: Jurassic Park
First: Jurassic World: Fallen Kingdom (2018)
Last: Jurassic World: Maisie Lockwood Adventures (2022)
Creator: Colin Trevorrow; J. A. Bayona
Portrayed by: Isabella Sermon
Species: Human (clone)

Lore & Background

Maisie's origin stems from Benjamin Lockwood's grief over his daughter Charlotte. Although told she was adopted after Charlotte died in a car accident, Maisie discovers through Benjamin's photo album that his deceased daughter looked identical to her as a child. Co-writer Colin Trevorrow introduced human cloning to explore the effects of genetic power, revealing that Benjamin cloned Maisie from Charlotte. In Dominion, Dr. Henry Wu clarifies a deeper truth: Charlotte did not just die in an accident but actually gave birth to Maisie asexually after manipulating her own ovum to have a child without a partner. Charlotte later died of a genetic disorder, but she altered Maisie's genome to prevent the illness in her daughter. This biological reality makes them both mother and daughter, a fact Trevorrow noted was always planned to show that "Maisie wasn't made by some man who missed her".

Reader's Guide

Maisie evolves from a sheltered child into an agent of change across two films. In Fallen Kingdom, her arc begins with curiosity about her mother and culminates in the decision to free the dinosaurs, asserting that they should be free just as she is. Her relationship with Owen shifts from recognizing him on video to viewing him as a surrogate father after his protection during the Indoraptor chase. By Dominion, she finds closure in the truth of her past after Wu shows her videos of Charlotte. The narrative emphasizes that despite her origins, she is "not just a science experiment" but a human teenager trying to find her place in the world. Her final act involves trusting Dr. Wu with her altered DNA to save the world from locusts, demonstrating growth beyond her status as a fugitive.

Did You Know?

Approximately 2,500 girls were interviewed for the role of Maisie before Isabella Sermon was cast.
Co-writer Colin Trevorrow considered human cloning "far less of a leap" than cloning dinosaurs because we are closer to achieving it in reality.
Director J. A. Bayona compared the Indoraptor chase sequence to the ending of a Gothic fairy tale with a princess in a tower.
Actress Elva Trill was cast as Charlotte Lockwood after sharing similar facial features with Sermon, replacing the original plan to digitally age Sermon's face.
Maisie forms a close bond with Beta, the asexual offspring of Owen's Velociraptor Blue.