Born in the Chicago suburb of Riverside, IL, Sinclaire moved to Orlando, FL at the age of 5, where she lived for ten years before moving to Los Angeles. She attended the Trinity Preparatory School in Winter Park, FL before graduating from The Stanford University Online High School in 2016. Sinclaire attends The Johns Hopkins University in Baltimore, MD. Her father Raymond is an Architect/Designer, mother Karla, an Audiologist and homemaker, and younger brother Hank, an aspiring golfer.Sinclaire began her acting career by performing Shakespeare at the age of 8 on the Orlando Shakespeare Theatre stage, where she continued to study and work her way up to performing as a member of their competitive "Young Company" for many years. She enjoys and embraces the challenge of working in both Film and Theatre, and has a particular love and expertise for dramatic Period roles. Sinclaire's acting style has been described by coaches as having a "natural honesty'. Simply put, acting brings Sinclaire joy and she cannot imagine any other path.