Oona Gray Seppala is the eldest daughter of actress Sarah Rafferty.
Her childhood unfolded between Hollywood and Toronto during the Suits years.
At a Glance
| Detail | Information |
|---|---|
| Full Name | Oona Gray Seppälä |
| Common Spelling | Oona Gray Seppala |
| Date of Birth | October 22, 2007 |
| Age | 18 in September 2026 |
| Mother | Sarah Rafferty |
| Father | Santtu Seppälä |
| Sibling | Iris Friday Seppälä |
| Parents’ Marriage | 2001 |
| Known For | Being Sarah Rafferty’s eldest daughter |
| Public Career | Not confirmed |
| Current Location | Not publicly confirmed |
| Education | Not publicly confirmed |
| Height | Not publicly confirmed |
| Net Worth | Not publicly established |
The family details above come from established reporting and biographical records. PEOPLE confirms Oona’s birth year and family connection, while Sarah Rafferty has discussed raising her daughters during her Suits career.
Who Is Oona Gray Seppala?
Oona Gray Seppala is Sarah Rafferty’s eldest daughter. Rafferty became widely known for playing Donna Paulsen on Suits.
Oona was born on October 22, 2007. Her father is Santtu Seppälä, a finance professional with Finnish family roots.
Unlike her mother, Oona has not established a public entertainment career. There is also no reliable record confirming professional acting or modeling work.
That distinction matters when reading online biographies. Several websites attribute careers and interests to Oona without strong evidence.
Oona Gray Seppala Age and Birth Date
Oona was born on October 22, 2007. She turned 18 on October 22, 2025.
She remains 18 during September 2026. Her 19th birthday will arrive on October 22, 2026.
PEOPLE identifies Oona as one of Sarah Rafferty’s two daughters. IMDb also lists October 22, 2007, as her birth date.
Some online pages publish different dates or birth years. Those claims lack stronger supporting evidence.
For accuracy, October 22, 2007, remains the safer documented date.
Her Parents and Family Background
Sarah Rafferty
Sarah Rafferty is Oona’s mother and a professional actress. Her best-known role remains Donna Paulsen in Suits.
Rafferty built her career while raising two daughters. Her interviews often reveal a strong focus on family life.
She has described Oona and Iris as affectionate and outgoing. She has also discussed their close relationship during childhood.
Santtu Seppälä
Oona’s father is Santtu Seppälä. He has worked in finance and investment management.
Rafferty and Seppälä married in 2001. They later welcomed two daughters.
Public biographies identify Oona as their first daughter. Her younger sister is Iris Friday Seppälä.
Iris Friday Seppälä
Oona has one younger sister, Iris Friday Seppälä. Iris was born in January 2012.
The sisters grew up alongside their mother’s demanding television career. Rafferty has publicly described both girls with warmth and affection.
The Interesting Part: Growing Up Between Two Cities
One overlooked part of Oona’s story involves her childhood routine.
During Suits, Rafferty worked in Toronto. The family maintained Los Angeles as its home base.
Instead of separating the family for long periods, they often traveled together. Rafferty explained that the family moved as a unit between the two cities.
That arrangement created an unusual childhood experience for Oona. She attended two schools during that period.
Rafferty initially worried about the arrangement. Later, she viewed the experience as positive for her daughter’s confidence.
This detail gives useful context about Oona’s upbringing. It shows more than simply her connection to a famous actress.
Oona Gray Seppala and the Suits Connection
Oona grew up while Suits became a major part of her mother’s career.
Rafferty has said her daughters spent time around the Suits set. They became familiar with the cast and their families.
However, Oona did not become a credited Suits actress. There is no dependable evidence showing her as a professional cast member.
Interestingly, Rafferty later said her daughters had not watched the series during its main run. She explained that they had spent so much time around the production already.
That creates an interesting contrast. Oona experienced the production environment without becoming part of its fictional world.
Childhood Interests and Family Life
Rafferty has occasionally shared small details about her daughters.
In earlier interviews, she described Oona and Iris as energetic and affectionate. She also mentioned their enjoyment of singing and dancing.
Rafferty has also discussed everyday family activities. Cooking, baking, and spending time together featured in their family routines.
In a 2016 interview, she mentioned that both daughters helped with holiday cookies. She also noted Oona’s preference for smoked salmon, like her father.
These details offer a more grounded view of Oona’s childhood. They focus on family routines rather than celebrity status.
Education and Career: What Is Actually Confirmed?
Oona’s education remains largely private.
Some websites claim specific schools, degrees, or academic interests. However, those claims do not have enough reliable supporting evidence.
The same caution applies to career claims. No authoritative source confirms that Oona works professionally as an actress, singer, model, or influencer.
For that reason, those claims should not appear as established facts.
What Can Be Safely Confirmed?
- Oona grew up around her mother’s television career.
- She experienced the Los Angeles–Toronto lifestyle.
- She spent time around the Suits production.
- Her family kept much of her private life away from media.
- Her current education and career plans remain undisclosed.
This limited information should not be treated as a gap in her story. It reflects a deliberate boundary around her personal life.
Personal Life and Privacy
Oona has never developed the same public profile as her mother.
There is no reliable public information confirming her current relationship status. Her private social-media accounts, if any, also should not be presented as verified public profiles.
Her current residence is similarly unconfirmed.
This privacy deserves respect, especially because much of her childhood occurred away from public attention.
The strongest available information comes through her parents’ interviews and established entertainment reporting. Those sources provide family context without exposing unnecessary personal details.
Oona Gray Seppala Net Worth
Oona Gray Seppala’s personal net worth has not been publicly established.
Some websites publish specific dollar figures. However, those estimates lack credible financial documentation.
It would therefore be misleading to assign her a personal net-worth figure.
Her parents’ professional finances also should not automatically become Oona’s personal wealth. A family’s financial background does not prove an individual’s net worth.
Why Oona Gray Seppala Attracts Public Interest
Oona’s interest comes largely from her family connection.
Her mother became internationally recognizable through Suits. The series later gained another wave of attention through streaming platforms.
Oona, meanwhile, followed a different path. She remained largely outside entertainment publicity.
That contrast makes her story unusual among celebrity families.
Her biography is not about chasing fame. Instead, it shows how someone can grow up near Hollywood while maintaining personal privacy.
Frequently Asked Questions
Who is Oona Gray Seppala?
Oona Gray Seppala is Sarah Rafferty’s eldest daughter. Her father is finance professional Santtu Seppälä.
When was Oona Gray Seppala born?
Oona was born on October 22, 2007. She is 18 years old in September 2026.
Who is Oona Gray Seppala’s mother?
Her mother is actress Sarah Rafferty. Rafferty is best known as Donna Paulsen in Suits.
Does Oona Gray Seppala have siblings?
Yes. She has a younger sister named Iris Friday Seppälä.
Is Oona Gray Seppala an actress?
There is no confirmed professional acting career for Oona. Online claims about entertainment work remain unsupported.
Did Oona appear in Suits?
There is no reliable evidence that Oona appeared as a credited actress. She did spend time around the Suits set as a child.
Where does Oona Gray Seppala live?
Her current location has not been reliably disclosed. It is better to treat this detail as private.
What is Oona Gray Seppala’s net worth?
Her personal net worth is not publicly established. Online dollar estimates should not be treated as verified facts.
Final Perspective
Oona Gray Seppala’s story stands apart from typical celebrity biographies.
She grew up with a famous mother and a finance professional father. Her childhood also included life between Los Angeles and Toronto.
Yet fame never became her defining public identity.
The most reliable record shows a young woman raised within a close family. Much of her adult life remains private by choice or circumstance.
That makes careful fact-checking especially important. Oona’s biography should focus on documented family history, not unsupported online speculation.
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