Oona Gray Seppala is best known as the eldest daughter of American actress Sarah Rafferty and her husband, Santtu Seppälä. Sarah Rafferty is loved by many fans for playing Donna Paulsen in the hit legal drama Suits. Because Sarah is famous, many people want to know more about her family. Still, Oona Gray Seppala has grown up in a very private way. She is not a public star.
She does not live her life for the camera. In 2026, this makes her story more interesting, because many celebrity children are now easy to find online. Oona’s life is different. Her parents have kept her childhood safe, calm, and mostly away from fame. Public reports confirm that Sarah Rafferty has two daughters with Santtu Seppälä: Oona and Iris. Oona was born in 2007, and her younger sister Iris was born in 2012.
Quick Bio
| Category | Details |
|---|---|
| Full Name | Oona Gray Seppala |
| Known For | Daughter of Sarah Rafferty |
| Mother | Sarah Rafferty |
| Father | Santtu Seppälä |
| Birth Year | 2007 |
| Birthday | October 22, 2007 |
| Age in 2026 | 18 years old, turning 19 in October |
| Sister | Iris Friday Seppälä |
| Mother’s Famous Role | Donna Paulsen in Suits |
| Family Style | Private and low-key |
| Public Career | No confirmed public career |
| Social Media | No widely verified public account |
Who Is Oona Gray Seppala?
Oona Gray Seppala is the first child of Sarah Rafferty and Santtu Seppälä. She was born on October 22, 2007. She is part of a well-known family, but she is not known for seeking fame. Most people search her name because they love Sarah Rafferty from Suits. Oona’s name often appears in family articles about Sarah’s children. Still, there is not much public information about her personal life. That is because her family has made privacy a clear choice. PEOPLE reported in its 2026 update that Oona is Sarah Rafferty’s eldest daughter and that Iris Friday Seppälä is her younger sister.
Oona Gray Seppala and Sarah Rafferty
Sarah Rafferty is the main reason many readers know the name Oona Gray Seppala. Sarah became a fan favorite as Donna Paulsen in Suits. The show ran from 2011 to 2019 and became popular again when it reached a new streaming audience. Sarah has also acted in shows like Grey’s Anatomy, Chicago Med, and My Life with the Walter Boys. Entertainment Weekly reported in 2026 that Sarah still works in TV and also co-hosts a Suits rewatch podcast called Side Bar with Patrick J. Adams. Oona has grown up with a mother who works in a busy industry, but Sarah has tried to keep family life grounded.
Her Father, Santtu Seppälä
Oona Gray Seppala’s father is Santtu Seppälä. His full name is often listed as Aleksanteri Olli-Pekka Seppälä. He works outside Hollywood, mainly in finance and business. This gives the family a mix of two worlds. Sarah works in acting. Santtu works in business. USA Network reported that Sarah and Santtu met at Yale University, where Sarah earned her MFA in acting. They married at the Roman Catholic Church of St. Mary in Greenwich, Connecticut, on June 23, 2001. Their long marriage is often seen as one of the quiet, steady parts of Sarah’s life.
A Childhood Away From Loud Fame
Oona Gray Seppala did not grow up like a child who was pushed into the spotlight. Her mother sometimes shares family love in interviews or on social media, but she does not turn her daughters into public brands. This is important in 2026 because many celebrity children become public before they can choose it for themselves. Oona’s family seems to believe that childhood should be protected. PEOPLE noted that Sarah has spoken about wanting a close and honest bond with her daughters and wanting them to feel safe talking to their parents. This shows a home life built on trust, not fame.
Life During the Suits Years
When Sarah Rafferty filmed Suits, family life was not always simple. The show filmed in Toronto, while the family also had ties to Los Angeles. Oona Gray Seppala was young during many of those years. PEOPLE reported that when Suits was on the air, Sarah’s family lived a bicoastal life between Los Angeles and Toronto, and Oona went to two different schools because of that setup. Sarah once said this experience became good for Oona’s confidence. This part of Oona’s story shows that a famous parent’s work can shape family life in real ways.
Her Bond With Her Sister Iris
Oona Gray Seppala has one younger sister, Iris Friday Seppälä. Iris was born on January 27, 2012. The two sisters have grown up in the same private family setting. Sarah has shared that her daughters have been close and that family love matters deeply to her. Oona and Iris are often mentioned together because they are Sarah Rafferty’s only children. But like Oona, Iris is also kept mostly out of public attention. This tells readers something clear about the Rafferty-Seppälä family. They value normal life more than constant media attention.
Is Oona Gray Seppala an Actress?
There is no verified public record that Oona Gray Seppala is working as an actress in 2026. Some online posts may guess about her future, but guessing is not the same as fact. Since Sarah Rafferty is an actress, people may wonder if Oona will follow the same path. For now, the honest answer is simple. Oona has not announced a public acting career. She is still young and has the right to choose her own path. A good article about Oona should not invent roles, school details, awards, or career plans. Her story should be told with care.
Why People Search for Oona Gray Seppala
People search for Oona Gray Seppala because fans are curious about Sarah Rafferty’s life outside acting. Many fans know Sarah as smart, stylish, and strong Donna from Suits. They want to know if Sarah is married, who her husband is, and how many children she has. USA Network confirms that Sarah married Santtu Seppälä in 2001 and that the couple has two daughters, Oona Gray and Iris Friday. This makes Oona a topic of interest, even though she does not live as a public figure.
Sarah Rafferty as a Mother
Sarah Rafferty has played strong women on screen, but she has also spoken with pride about being a mother in real life. PEOPLE reported that Sarah said her life revolves around her children and that she is grateful for her two daughters. This gives readers a warm look at the family behind the actress. It also helps explain why Oona Gray Seppala has been raised with care. Sarah’s public work is only one part of her life. Her role as a mother is clearly very important to her.
Privacy and Respect in 2026
In 2026, privacy is a big topic for celebrity families. Many young people connected to famous parents are discussed online before they are ready. Oona Gray Seppala is a good example of why careful writing matters. She is known because of her mother, but she is not a public entertainer. Writers should avoid sharing unconfirmed school names, private photos, home details, or rumors. A helpful article should focus on verified facts. It should also explain why there is limited public information. This makes the article more honest and more useful for readers.
What Makes Oona’s Story Interesting?
Oona Gray Seppala’s story is interesting because it is not loud. She represents a different kind of celebrity child. She is connected to fame, but she is not built around fame. Her mother is part of a famous TV show that still has fans in 2026. Her father has a strong career outside acting. Her family has lived between work, travel, school, and home life. Yet Oona has stayed mostly private. That quiet path makes readers curious, but it also reminds them that not every child of a star wants a public image.
Final Thoughts
Oona Gray Seppala is Sarah Rafferty’s eldest daughter and part of a family that has stayed warm, steady, and private. She was born in 2007 and has a younger sister named Iris Friday Seppälä. Her mother is known worldwide for Suits, while her father, Santtu Seppälä, works in finance and business. Still, Oona’s own life is not a public show. The most important thing to know is that she has been raised with privacy, care, and family support. In 2026, that makes her story feel fresh and meaningful. Oona Gray Seppala is not famous for chasing attention. She is known because she belongs to a loving family that chooses peace over noise.
FAQs
1. Who is Oona Gray Seppala?
Oona Gray Seppala is the eldest daughter of actress Sarah Rafferty and her husband, Santtu Seppälä. She is best known because her mother played Donna Paulsen in Suits.
2. When was Oona Gray Seppala born?
Oona Gray Seppala was born on October 22, 2007. In 2026, she is 18 years old and will turn 19 in October.
3. Who is Oona Gray Seppala’s mother?
Her mother is Sarah Rafferty, an American actress. Sarah is best known for playing Donna Paulsen in the legal drama Suits.
4. Who is Oona Gray Seppala’s father?
Her father is Santtu Seppälä. He is a finance and business professional. He married Sarah Rafferty in 2001.
5. Does Oona Gray Seppala have siblings?
Yes. Oona has one younger sister named Iris Friday Seppälä. Iris was born in 2012.
6. Is Oona Gray Seppala on social media?
There is no widely verified public social media account for Oona Gray Seppala. Her family has kept her life mostly private.
7. Is Oona Gray Seppala an actress like Sarah Rafferty?
There is no confirmed public record that Oona Gray Seppala is an actress in 2026. She has not announced a public career.
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