Milaine Desaulniers is an American mathematics teacher who has built a calm and independent life away from public attention. Born in Sacramento, she grew up in a close family environment with her older sister.
She became widely known because she is the younger sister of award-winning actress Brie Larson. Unlike Brie, Milaine did not choose Hollywood fame and instead followed a private career focused on education.
Her story includes childhood changes, family relationships, life in Los Angeles, teaching, creative interests, and her bond with Brie Larson. This article explores Milaine’s background, career, family life, and private lifestyle.
Who Is Milaine Desaulniers?
Milaine Desaulniers is the younger daughter of Sylvain Desaulniers and Heather Desaulniers. She was born on January 5, 1993, in Sacramento and spent part of her childhood there before moving to Los Angeles.
She is mainly recognized as the younger sister of Brie Larson, whose birth name is Brianne Sidonie Desaulniers. While Brie developed an international acting career, Milaine followed a much quieter professional direction.
Today, Milaine is known for working as a mathematics teacher and maintaining a private lifestyle. Her choices show a preference for education, family relationships, personal stability, and meaningful work instead of celebrity attention.
Early Years in Sacramento
Milaine Desaulniers spent her earliest years in Sacramento, California. Her childhood began in a family where both parents worked as chiropractors, giving the household a strong connection with health, everyday balance, and practical living.
She grew up alongside her older sister, Brie Larson. Before acting and major Hollywood productions became part of the family’s story, the sisters shared an ordinary childhood filled with games, creativity, and time together.
These early years helped establish Milaine’s strong connection with her family. Although her life later changed considerably, the values of simplicity and close relationships remained important parts of the person she became.
Milaine Desaulniers Father, Sylvain Desaulniers
Sylvain Desaulniers is Milaine Desaulniers’s father. He has French-Canadian roots, which form part of the family’s heritage and are also reflected in the Desaulniers surname carried by Milaine and her older sister.
Sylvain worked as a chiropractor when the family lived together in Sacramento. His professional background meant that health care was a familiar part of Milaine’s home environment during the beginning of her childhood.
After the marriage between Sylvain and Heather ended, the family’s circumstances changed significantly. Milaine later lived primarily with her mother and sister, while Sylvain maintained a much quieter presence outside their household.
Milaine Desaulniers Mother, Heather Desaulniers
Heather Desaulniers is Milaine’s mother and another important influence on her upbringing. Like Sylvain, Heather worked as a chiropractor and created a home environment built around family, creativity, and simple everyday living.
Following the separation from her husband, Heather took responsibility for raising her two daughters. She eventually moved with Milaine and Brie from Sacramento to Los Angeles as Brie’s opportunities in acting began developing.
The transition placed considerable responsibility on Heather as a single mother. Despite limited finances, she continued supporting her daughters and created an encouraging environment that helped them adjust to their very different new circumstances.
Growing Up After Her Parents’ Separation
Milaine Desaulniers was still a very young child when her parents separated. The change reshaped her childhood because the household she had known in Sacramento was replaced by a smaller family unit consisting of her mother and sister.
Heather became the primary caregiver for Milaine and Brie. Financial responsibilities and raising two young daughters created challenges, but the three remained together while adjusting to a different way of living.
Experiencing major family changes at an early age likely made stability especially meaningful in Milaine’s later life. Her adult path has remained centered on steady work, close relationships, and a lifestyle far removed from celebrity publicity.
Moving to Los Angeles
After the family situation changed, Milaine Desaulniers moved from Sacramento to Los Angeles with Heather and Brie. The relocation allowed Brie to pursue the acting opportunities that would eventually lead to her professional entertainment career.
The family’s early life in Los Angeles was modest. Milaine, her mother, and her sister shared a small living space while Heather carefully managed the household with limited financial resources.
For Milaine, Los Angeles therefore represented something very different from Hollywood glamour. Her experience involved adapting to a new city, sharing limited space, supporting family, and growing up while her sister began attending auditions.
Growing Up With Brie Larson
Milaine Desaulniers’s older sister was born Brianne Sidonie Desaulniers on October 1, 1989. She later adopted the professional name Brie Larson while establishing herself as an actress in television and motion pictures.
Brie’s career developed gradually before her performance in Room brought major international recognition. She won the Academy Award for Best Actress and later reached an even larger worldwide audience through her leading role in Captain Marvel.
Despite their completely different professional lives, Milaine and Brie share the experiences of the same unusual childhood. Their years together in Sacramento and Los Angeles created a family connection that existed long before awards and international fame.
Milaine and Brie’s Sisterly Bond
The relationship between Milaine Desaulniers and Brie developed during years of significant change. They experienced their parents’ separation, relocation to Los Angeles, financial limitations, and Brie’s early acting journey together while they were still young.
Milaine sometimes accompanied her sister during the period when Brie was pursuing acting opportunities. These experiences allowed her to see the demanding side of an entertainment career without personally choosing the same professional direction.
Their adult lives eventually followed different paths, but their connection remained important. Milaine has appeared beside Brie during meaningful occasions, showing that her preference for privacy does not prevent her from supporting her sister.
Childhood Memories and Video Games
Not every part of Milaine Desaulniers’s childhood revolved around difficult family changes. She and Brie also enjoyed ordinary activities together, including playing video games that provided entertainment and helped create happy memories inside their small household.
Animal Crossing on the Nintendo GameCube became one of the games associated with their childhood. Their mother sometimes connected game time with completing homework, giving the sisters an enjoyable reward after finishing their responsibilities.
That shared interest continued to have meaning years later when Animal Crossing: New Horizons arrived. The connection illustrates how simple childhood activities can remain emotionally important even when siblings eventually build very different adult lives.
Education and Interest in Mathematics
Milaine ultimately moved toward a field requiring analytical thinking rather than performance. Her adult career as a mathematics teacher indicates that education and working with students became more important to her than entering the entertainment industry.
Teaching mathematics involves more than understanding numbers and formulas. A teacher must explain difficult ideas clearly, remain patient with different learners, and help students develop the confidence necessary to solve problems independently.
This professional direction fits naturally with Milaine’s low-key lifestyle. Instead of seeking a large public audience, she works in an environment where success can be measured through learning, consistency, and the progress of individual students.
Career as a Mathematics Teacher
Milaine Desaulniers works as a mathematics teacher, creating a professional identity separate from Brie’s acting career. Her occupation represents one of the clearest differences between the paths chosen by the two sisters.
Education offers Milaine an opportunity to make a practical contribution through everyday work. Mathematics teachers help students develop logical reasoning, problem-solving abilities, discipline, and skills that can support many different academic and professional fields.
Her career also provides the kind of stability and privacy that appears important in her life. She can contribute meaningfully without dealing with the publicity, media attention, and constant visibility associated with a Hollywood career.
Her Connection With Creative Projects
Although teaching became Milaine’s primary professional direction, creativity has also appeared in parts of her life. Her name has been associated with smaller projects including The Arm from 2012 and later productions from 2021.
Those later projects include The Dew Project and Warning: Childhood Cringe. These smaller productions represent a very different creative environment from the major studio films and superhero projects connected with her sister’s career.
Milaine did not turn these experiences into a highly visible entertainment career. Instead, they form a smaller part of her broader story and show that choosing education did not necessarily mean leaving every creative interest behind.
Appearance at the Academy Awards
Milaine Desaulniers has occasionally entered the public spotlight to support her sister. One notable example was her appearance at the 91st Academy Awards in 2019, giving the public a rare opportunity to see the sisters together.
Her presence reflected the supportive nature of their relationship rather than an attempt to develop personal celebrity status. Milaine appeared alongside her sister while continuing to maintain the reserved public image associated with her everyday life.
After such appearances, she did not attempt to turn increased attention into a media career. She continued following her established path, demonstrating the clear distinction between supporting a famous family member and wanting fame personally.
Why Milaine Did Not Follow Brie Into Hollywood
Growing up close to an aspiring actress could easily have encouraged Milaine to enter entertainment herself. Instead, she developed a professional life that is almost completely separate from the industry that made her sister famous.
Her career in teaching provides a different kind of accomplishment. Rather than performing for audiences or appearing before cameras, she can use knowledge and communication to support students inside an educational environment.
The sisters therefore represent two very different definitions of professional achievement. Brie found success through acting and filmmaking, while Milaine established a quieter life through education and personal independence.
Life Away From Celebrity Culture
Being closely related to an internationally famous actress naturally creates public curiosity. Milaine, however, has avoided turning that connection into a celebrity identity and has kept much of her everyday life outside entertainment coverage.
She is not known for maintaining a highly visible public social media presence. This makes her different from many relatives of celebrities who use family connections to develop online audiences or entertainment careers of their own.
Her low profile also allows her professional work to remain separate from Brie’s fame. Rather than living publicly as “Brie Larson’s sister,” Milaine can maintain an identity centered on her own responsibilities and personal interests.
Personal Life and Relationships
Milaine keeps her romantic and family life outside public discussion. Details about a husband, partner, or marriage have not become a recognizable part of her public identity, allowing those areas of her life to remain personal.
The same privacy surrounds motherhood. Her public story focuses primarily on her childhood, relationship with Brie, family background, teaching career, and occasional appearances connected with her famous sister.
Keeping these matters private is consistent with Milaine’s wider approach to attention. She has maintained clear separation between the limited information connected with her public identity and the personal experiences she chooses to keep to herself.
Milaine Desaulniers’ Net Worth and Income
Milaine Desaulniers earns her living through her professional work as a mathematics teacher. Unlike a major film actress, a teaching career does not normally result in publicly reported salaries, contracts, or entertainment-industry earnings.
Her personal net worth is therefore not a central part of her public profile. Her career suggests a conventional professional income rather than the large movie salaries and commercial opportunities commonly associated with Hollywood stars.
This financial privacy also matches the rest of Milaine’s lifestyle. She is better understood through her work, family background, and preference for an independent life than through estimates about personal wealth.
Where Is Milaine Desaulniers Now?
As of 2026, Milaine is associated with life in California and continues to be recognized primarily for her work in education. She has maintained the private approach that distinguishes her from her internationally famous sister.
Her daily life appears centered more on teaching and personal relationships than entertainment events. Although public interest in her continues because of Brie Larson, Milaine has not used that curiosity to pursue wider recognition.
This gives her story an unusual quality within celebrity-family biographies. She remains connected to Hollywood through family, yet her own adult identity demonstrates that proximity to fame does not require participation in celebrity culture.
Final Thoughts
Milaine Desaulniers may be widely recognized because of Brie Larson, but her own story follows a very different direction. From Sacramento to Los Angeles, she experienced major family changes while growing up beside her older sister.
Instead of pursuing Hollywood recognition, Milaine built a career as a mathematics teacher. Her professional path reflects education, stability, and everyday contribution, while her occasional appearances show continued support for her famous sister.
Today, Milaine remains an example of someone closely connected with celebrity culture who has chosen not to live through it. Her story centers on family, teaching, independence, privacy, and finding fulfillment outside public attention.
(FAQs)
Who is Milaine Desaulniers?
Milaine Desaulniers is an American mathematics teacher best known as the younger sister of actress Brie Larson. She grew up in Sacramento and Los Angeles before building a private professional life outside Hollywood.
How old is Milaine Desaulniers?
Milaine Desaulniers was born on January 5, 1993. She turned 33 years old in January 2026 and is around three years younger than her sister, Brie Larson.
What does Milaine Desaulniers do for a living?
Milaine Desaulniers works as a mathematics teacher. She chose education as her professional field rather than following Brie Larson into acting and maintains a relatively private life outside entertainment.
Who are Milaine Desaulniers’ parents?
Milaine is the daughter of Sylvain Desaulniers and Heather Desaulniers. Both parents worked as chiropractors. After their separation, Milaine moved to Los Angeles with her mother and older sister.
Is Milaine Desaulniers married?
Milaine keeps her relationships and personal life private. Marriage has not become part of her public identity, and she generally avoids sharing details about romantic relationships, children, or her private household.

