Oscar Griffiths is the son of American actress Gillian Anderson with his former partner Mark Griffiths. The 15-year-old celebrity kid is a bicycle stunt performer.

His mother Gillian is known for starring in The X-Files, The House of Mirth, Netflix comedy-drama Sex Education, Netflix drama series The Crown, etc.

She was married twice which ended in divorce and is the mother of three children.

Oscar Griffiths Age, Family, and Ancestry

The son of Gillian Anderson and Mark Griffiths, Oscar was born on November 1, 2006, in the United States. His age as of 2022 is 15 years.

He holds an American nationality and is of mixed ancestry. Oscar has English, German, and Irish ancestry from his mother’s side.

Oscar Griffiths’ mother Gillian Anderson and father Mark Griffiths

He has two siblings, a biological brother named Felix Griffiths, and a half-sister named Piper Maru.

His maternal grandparents are Alyce Lane and Edward Anderson III.

Oscar is a bicycle stunt performer with the team GT Viris.

Parents’ Relationship History; Were they Married?

Oscar Griffiths’ father Mark and mother Gillian were not married but had an affair for some time,

They started dating after his mother’s second divorce in 2006. The couple shares two children together, an older son Oscar and a younger named Felix born in 2008.

Oscar Griffiths, with mother Gillian Anderson and brother Felix

After dating for 5 years, the couple announced their separation in 2011.

In December 2013, the X-Files and House of Mirth actress’ representative reported saying:

“Gillian Anderson and her partner Mark Griffiths have amicably separated after six years together.”

Oscar Griffiths’ brother Felix Griffiths and his mother Gillian Anderson

Who are his parents?

His father Mark Griffith is a businessman who is a Director/Proprietor at Peacock Investments (Pvt) Ltd. He owns a tea plantation in Sri Lanka with a boutique hotel.

Earlier, he founded and was the CEO of MET Parking Services Ltd, a company associated with parking management.

Oscar’s mother is a popular American actress born Gillian Leigh Anderson on August 9, 1968.

She was born to Alyce Lane, a computer analyst, and later vice president of Neurofibromatosis Inc., and Edward Anderson III, an owner of a film post-production company.

Gillian started her career as a stage actress and also worked in short films. Her breakthrough role came in The X-Files as FBI Special Agent Dana Scully in 1998.

She has starred in several movies and TV series including Hollywood Squares, The Fall, Viceroy’s House, Hannibal, The Sunlit Night, etc.

Oscar Griffiths’ mother Gillian Anderson at Sag Awards
Source: Instagram@gilliana

Besides, she also is a regular cast of the Netflix series Sex Education as Jean Milburn. She was recently featured in the movie The First Lady as Eleanor Roosevelt.

His Mother’s Two Failed Marriages

Before dating Mark, Gillian had two divorces. She was first married to Clyde Klotz on January 1, 1994.

They wedded in Hawaii in a Buddhist ceremony.

The couple welcomed their first child, a daughter named Piper Maru, on September 25, 1994.

Her godfather was X-Files creator Chris Carter, who even named an episode after her. Gillian and Clyde separated in 1997.

The Sex Education star then had an affair with Julian Ozanne and tied the knot with him on December 29, 2004.

She and her documentarian boyfriend held their wedding ceremony on Lamu Island, off the coast of Kenya.

They separated after two years of marriage on April 21, 2006.

Moreover, she also dated Peter Morgan, a screenwriter, and dramatist, from 2016 to 2020.

She has been residing with her three children in London since 2020.

Oscar Griffiths’ mother is a Heterosexual

Oscar Griffiths’s mother Gillian Anderson also dated several women in the past.

In 2012, she revealed that she had a long-term relationship with her girlfriend in high school.

In an interview in January 2015, Gillian identified herself as a heterosexual and said:

“I am an actively heterosexual woman who celebrates however people want to express their sexuality.”

She frequently talked about her same-sex relationship and said:

“To me, a relationship is about loving another human being; their gender is irrelevant. I could be with a woman next year. It’s just who I am. I have absolutely no issue with it whatsoever, and I don’t really care if other people have an issue with it.”

How much are her Parents worth?

Oscar is just a teenager who is probably attending his high school. So, he is still enjoying his parents’ income.

He lives with his mother, who has an estimated net worth of $40 Million. She also has bought a real estate home in Sri Lanka from a painter Justin Deraniyagala.

His father is a businessman who owns several business ventures. He reportedly has millions of dollars in fortune.

Gillian is a Committed Feminist

His mother revealed that she is a committed feminist. In an interview, she said that she can’t tolerate people reacting to women.

“I have feminist bones and when I hear things or see people react to women in certain ways I have very little tolerance.”

Gillian said.

She also has several tattoos on her body which mean “peace of mind, right mind, right action”.

Gillian’s Social Works

The Emmy-winning actress is active in humanitarian works. She has been supporting The Trevor Project which works to prevent suicide in the LGBTQ community.

Besides, she has also been working actively for women’s and children’s rights. She was also a spokesperson for the Feminist Majority Foundation (FMF) and has been actively working to end violence against women and girls.


Oscar has an Instagram account @oscaregriffiths where he has more than 7.6k followers.

He has mostly shared the photos of his bike stunts and racing on his Instagram.

Recommended: Selly Sy Wikipedia- the Eldest Child of Omar Sy