Oona Gray Seppälä is a name that many fans of the hit TV show Suits have become curious about. She is the eldest daughter of American actress Sarah Rafferty, who is best known for playing Donna Paulsen on Suits, and her husband, Finnish-American businessman Santtu Seppälä. Even though Oona has grown up connected to Hollywood, her life is far from a typical celebrity story. Her parents have always put her privacy and well-being first, giving her a calm, grounded, and loving childhood away from the public eye.
Quick Bio Table
| Detail | Information |
|---|---|
| Full Name | Oona Gray Seppälä |
| Date of Birth | October 22, 2007 |
| Age | 17 years old (as of 2025) |
| Birthplace | United States |
| Nationality | American |
| Ethnicity | Irish-American and Finnish |
| Mother | Sarah Rafferty (actress) |
| Father | Santtu Seppälä (businessman/financier) |
| Sibling | Iris Friday Seppälä (younger sister, born January 27, 2012) |
| Education | Private (details not disclosed) |
| Known For | Being the eldest daughter of Sarah Rafferty |
| Social Media | Not publicly active |
Early Life and Background
Oona Gray Seppälä was born on October 22, 2007, as the first child of Sarah Rafferty and Santtu Seppälä. She grew up in a warm and loving home where both parents worked hard to give her a stable and normal life. Her mother brought creativity and storytelling into the house through her acting career, while her father, a respected figure in finance, added structure, discipline, and a sense of groundedness.
Oona also has a rich cultural background. Her father has Finnish roots, which means she grew up learning about more than one culture. This mix of Irish-American and Finnish heritage has shaped who she is and how she sees the world.
The family experienced a bi-coastal lifestyle, splitting their time between Los Angeles and Toronto during the filming of Suits. Rather than being difficult, this turned out to be a positive experience for Oona, helping her adapt to new places and grow in confidence.
Her Parents: Sarah Rafferty and Santtu Seppälä
To understand Oona’s life, it helps to know a little about her parents.
Sarah Rafferty is a well-loved actress, famous for her role as Donna Paulsen on Suits. She has also appeared in Chicago Med, Grey’s Anatomy, and the Netflix series My Life with the Walter Boys. Despite her fame, Sarah has always been very open about how much she values her family. She told PEOPLE in December 2023, “My life revolves entirely around my children at this point in my life.”
Santtu Seppälä, whose full name is Aleksanteri Olli-Pekka Seppälä, is a Finnish-American financier. He graduated from Yale and received an MBA from the University of Pennsylvania. He is the Chief Investment Officer at Kiitos Capital Management, based in Beverly Hills, California. Together, Sarah and Santtu have been married since 2001, when they tied the knot at the Roman Catholic Church of St. Mary in Greenwich, Connecticut.
This balanced household, with one parent in the spotlight and the other in finance, has given Oona a very well-rounded upbringing.
A Private Life by Choice
One of the most interesting things about Oona Gray Seppälä is how private her life has been, even with a famous mother. Oona and Iris grew up privately. They occasionally appear on their mother Sarah Rafferty’s social media, but their faces are covered or shown from angles that don’t focus on them.
Sarah has made a very clear and careful choice here. She wants her daughters to grow up feeling normal and safe, without the pressure of being recognized or followed by the media. This is a decision that many fans respect and admire. In family photos shared online, the girls are seen in fun moments like visiting the Grand Canyon, hugging their dog Rupert, or enjoying trips to Vermont, but always with their privacy protected.
Visiting the Suits Set
Even though Oona’s life is kept private, she did get to enjoy some fun moments connected to her mom’s acting world. Both Oona and Iris loved coming to the Suits set, and their favorite things to do were visit the craft services truck, the hair and makeup trailer, and attend costume fittings. Sarah said, “Those wardrobe room photos are treasures for me.”
Interestingly, despite these visits, the girls never really watched the show itself. Iris saw a few episodes and felt it was strange to see her mother in a different role, saying, “I just want you to be my mommy.” This shows just how grounded the family really is.
Her Sister Iris and Their Bond
Oona shares a close bond with her younger sister, Iris Friday Seppälä. As the older sibling, Oona often takes on a guiding role, offering support and care while they grow up together.
Sarah has spoken warmly about her daughters’ relationship. She taught them to show empathy to each other from a very young age. The two sisters seem to complement each other well, with shared family experiences building a strong connection between them.
Family Values and Upbringing
The Rafferty-Seppälä family has built their home on a clear set of values. Education, kindness, empathy, and resilience are at the center of how Oona has been raised.
In 2014, Sarah called her daughters “the light of my life,” saying they are “so outgoing and funny and silly. They love to sing and dance, they love each other, and they are incredibly affectionate. They crack me up every single day.”
These words paint a beautiful picture of a happy, lively household. Oona has grown up in a space where she can be herself, curious, creative, and kind, without the noise of fame getting in the way.
Conclusion
Oona Gray Seppälä is more than just a celebrity’s daughter. She is a young woman raised with love, care, and strong values by two parents who clearly put family first. Her story is a refreshing reminder that not every child of a Hollywood star has to live in the spotlight. Thanks to the thoughtful choices of Sarah Rafferty and Santtu Seppälä, Oona has had the chance to grow up like any other teenager, curious, close to her family, and full of possibility.
Frequently Asked Questions (FAQs)
1. How old is Oona Gray Seppälä?
Oona was born on October 22, 2007, which makes her 17 years old as of 2025.
2. Who are Oona Gray Seppälä’s parents?
Her mother is actress Sarah Rafferty, famous for Suits, and her father is Santtu Seppälä, a Finnish-American financier and Chief Investment Officer.
3. Does Oona Gray Seppälä have any siblings?
Yes, she has a younger sister named Iris Friday Seppälä, born on January 27, 2012.
4. Is Oona Gray Seppälä active on social media?
No, Oona does not have any known public social media accounts. Her parents carefully protect her privacy online.
5. Has Oona Gray Seppälä watched Suits?
Not really. Sarah Rafferty has mentioned that her daughters prefer to see her as their mom rather than as her TV character, and they have not watched the show.
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