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Mary-Kate Olsen

Also known as: Mary Kate Olsen

Mary-Kate Olsen alias list

Mary Kate Olsen - Alternate spelling

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Mary-Kate Olsen Biography

Personal

Age: 39 years young

Born: Friday 13th of June 1986

Years active: 1987-present (38 years active)

Birthplace: Los Angeles, California, United States

Nationality: (American)

Ethnicity: Caucasian

Professions: Actress (former), Business Woman, Fashion Designer, Internet Personality, Sportswoman: Equestrian

Sexuality: Straight

Body

Hair color: Blonde

Eye color: Blue

Height: 5'2" (or 157 cm) (Petite)

Weight: 108 lbs (or 49 kg)

Body type: Slim

Measurements: 31-23-31

Bra/cup size: 30B show conversions

Boobs: Real/Natural

Extra

Instagram follower count: 122k (as of July 2025)

About Mary-Kate Olsen

Olsen Twins

Mary-Kate Olsen is an American businesswoman, fashion designer, equestrian, and former actress. Her acting career began at the age of nine months, with her sharing the role of Michelle Tanner with her twin sister Ashley Olsen in the television sitcom Full House (1987–1995). They also starred in numerous films together.

In 1993, the production company Dualstar Entertainment Group was founded, which produced a long string of television films and direct-to-video releases featuring the girls; they starred in Passport to Paris (1999), Our Lips Are Sealed (2000), Winning London (2001), Holiday in the Sun (2001) and in the television series, So Little Time (2001–2002), for which she was nominated for a Daytime Emmy Award for Outstanding Performer in Children's Programming. They starred in Getting There (2002), When in Rome (2002), The Challenge (2003) and made cameos in Charlie's Angels: Full Throttle (2003). The last film she starred in with her twin sister was New York Minute (2004). She continued with her acting career independently, appearing with a few guest-star roles in films and television shows, with her last film being Beastly (2011).

In 2004, shortly after graduating from high school, Olsen announced she had entered treatment for anorexia nervosa. A Got Milk? advertisement featuring the twins was pulled following the announcement. On November 20, 2007, she was hospitalized for a reported kidney infection.

In March 2012, both Mary-Kate and Ashley officially indicated their interest to retire as actresses in order to focus on their careers in the fashion industry. She and her twin sister co-founded luxury fashion brand The Row, lifestyle brand Elizabeth and James, and more affordable fashion lines Olsenboye and StyleMint. They are members of the Council of Fashion Designers of America.

Olsen is of French, German, Italian, and Norwegian descent. Her younger sister is actress Elizabeth Olsen.

As of May 2025, Mary-Kate has amassed 122,000 Instagram followers.