Erin O’Brien Denton is an American writer and actress mainly known as a Hollywood fitness trainer. Erin is married to the American actor and musician James Denton.

Full NameErin O'Brien Denton
Date of Birth1965
Birth PlaceOxford, Ohio, USA
Age57 years old (2022)
Father's NameN/A
Mother's NameN/A
OccupationFitness Trainer, Actress, Stunt performer
Height5 feet 5 inches
Hair ColorBrown
Eyes ColorHazel
Relationship StatusMarried
SpouseJames Denton
Children2 (Sheppard, Malin)
Net Worth$1.5 Million

How old is Erin O’Brien Denton?

Erin O’Brien was born in Oxford, Ohio, in the year 1965. As of 2022, she is 57 years old. Unfortunately, little is known about her personal life, childhood, and parents. However, multiple sources have mentioned her as an Irish descent.

Erin O'Brien
Image Source: Instagram

Regarding her academic qualifications, she went to Shakopee High School in Minnesota. After completing high school, she joined the University of Minnesota with a Fine Arts major and graduated. After completing her bachelor’s in Minnesota, she went to New York. She joined the University of New York and completed her Master’s degree in New York.

Body Stats

Erin stands at an average female height of 5 feet and 5 inches. Although her exact body weight is unknown, she has a well-toned body mass as a fitness trainer. Moreover, in some pictures, we can also see her abs.

Similarly, Erin has brown hair and hazel eyes. Despite being in her late 50s, O’Brien still looks young on her face and body.

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Erin is best known for being a fitness trainer for Hollywood celebrities. Initially, she was a part of Crush Fitness from 1995 to 2004, which she left to join Equinox fitness. Currently, she is a fitness trainer at Life Time Fitness.

She also has multiple movies or films related to fitness, such as Parental Fitness Fix, Strong Body, Ageless Body, Fit Body, etc. Her two movies, Parental Fitness and Postnatal Rescue, focus on taking care of the body’s fitness after the birth of a child. It is mainly focused on female audiences.

Erin is registered as an actor and stunt performer under the KMR talent company. She has worked on movies like The Offer(2022), 68 Whiskey (2020), and Tremors (2018).

Similarly, her husband is also a part of the Hollywood business. However, her husband has much more fame than her. Her husband, James, has played in movies like Face/Off, All-Star Superman, Karaoke Man, Grace Unplugged, Ovation, Dancer and the Dame, etc.

Erin O'Brien in a show
Erin O’Brien in a show (Image Source: IMDb)

Similarly, he has also been a part of some popular TV shows such as Desperate Housewives, Good Witch, Devious Maids, Philly, The Pretender, etc. Additionally, he has done numerous advertisement deals and campaigns. In 2021, he reunited with his Desperate Housewives co-star Teri Hatcher for the movie A Kiss Before Christmas.

Outside of acting, Denton is also a musician. He is a guitarist in the charity cover band called Band from TV, where he plays alongside Hugh Laurie, Teri hatcher, Greg Grunberg, etc. The band donates the money earned from their performances. Till today, they have raised over two million dollars for donations.

Similarly, he is also a model. He has been on the covers of magazines such as TV Guide, Tango, Spectrum United, Orange Coast, etc. Similarly, as pictorials, he has been part of other magazines like Entertainment Weekly, People, US Weekly, etc.


Erin O’Brien has been living a happily married life with her husband for around two decades now. Erin married her husband, James Denton, on December 16, 2002.

Erin O'Brien with husband James Denton and family
Erin O’Brien with husband James Denton and family (Image Source: Getty Images)

The couple has two children. Their first child, son Sheppard, was born a year after their marriage in 2003. Similarly, their second child, daughter Malin, was born two years after the son in 2005.

After their marriage, the couple initially lived in Glendale, California. However, after James got a significant role in Desperate Housewives, they had to move to Chanhassen, Minnesota.

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Net Worth

Erin lives a comfortable life with her husband and kids and her husband’s income. Her earnings as a fitness trainer range from around $59k to $78k. Similarly, multiple online sources estimate her net worth to be approximately $1.5 million.

On the other hand, her husband, James, is in a league of his own with an estimated net worth of around $7 Million. Nevertheless, the couple lives a comfortable life and has enough wealth to ensure their children live in comfort.

Social Media Presence

Erin is an active member of social media and can often be found tweeting and making posts. She has a following of over two thousand on Twitter. Similarly, she has over 12k followers on Instagram.

On her social media pages, she mostly posts content related to her work. Moreover, she uses her Instagram as her portfolio by posting her headshots, acting reels, etc.

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