Birthday twins

People Born on May 9

May 9 is the birthday of 44 notable people we've found so far, including authors, creators, entrepreneurs and actors, and 2 of them are billionaires.

2
billionaires
joint #145 of 366 birthdays
10
founders & entrepreneurs
joint #180 of 366 birthdays
44
notable people
joint #271 of 366 birthdays
$24.1B
combined wealth
#117 of 366 birthdays

What the data says

Your birthday has some company.

  • The people we list for this date were born across 257 years, from 1741 to 1998.
  • Authors are the most common group among people born on May 9: 15 of 44.
  • People born on this day come from 19 countries, most often United States (16 of 44).
  • Stefan Quandt is the wealthiest person we list for May 9, with an estimated $22B reported as of December 2024.
  • Founders born on May 9 started companies including Gracie Films, Kaiser Motors and Opel.
  • May 9 birthdays span at least four well-represented fields, including billionaires, entrepreneurs, athletes and musicians.
  • 43% of the people we list for this date are historical figures who are no longer living.
  • 2 Nobel laureates were born on May 9, including Michael Levitt and Manfred Eigen.

💰 Richest person born on May 9

Stefan Quandt
Simsalabimbam, CC BY-SA 4.0, via Wikimedia Commons
billionaire

Stefan Quandt

Entrepreneur

1966 · Germany

$21.6Bolder estimate, as of December 2024 · Forbes

Stefan Quandt is a German billionaire heir, engineer and industrialist. As of December 2024, Forbes estimated his net worth at US$21.6 billion, ranked at number 89 on Bloomberg Billionaires Index.

Full profile →

Sources (4)

Reported estimate as of December 2024: $21.6B. Wealth changes; this is not a live figure.

Against the other 365

How May 9 ranks

Ranks compare all 366 dates in the dataset; ties share a rank. See every May birthday · battle May 9 against another date · all rankings

The May 9 wealth profile

Billionaires born on May 9

$24.1B
combined wealth
low-bound sum, newest as of July 2025
2
sourced estimates
2
billionaires
joint #145 of 366
#117
of 366 for wealth

Ranked by the low end of each reported estimate; bars use a log scale.

Ion Țiriac
billionaire

Ion Țiriac

Entrepreneur

1939 · Romania

$2.5Breported estimate as of July 2025 · Forbes

Ion Țiriac (Romanian pronunciation: [iˈon t͡siriˈak]; born 9 May 1939), also known as the "Brașov Bulldozer", is a Romanian billionaire businessman, former professional tennis and ice hockey player and president of the Romanian Tennis Federation.

Bobby Voicu, CC BY-SA 2.0, via Wikimedia Commons

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Sources (3)

Who shares May 9

What kind of people are born on May 9?

Share of the 44 people we list, by documented field. People can belong to more than one.

  • Authors34% (15 people)
  • Creators25% (11 people)
  • Actors23% (10 people)
  • Entrepreneurs23% (10 people)
  • Politicians23% (10 people)
  • Scientists23% (10 people)
  • Musicians20% (9 people)

Countries

19 countries, most often United States

Citizenship as recorded on Wikidata, one country per person.

  • United States16 (16 people)
  • Germany4 (4 people)
  • United Kingdom4 (4 people)
  • Japan3 (3 people)
  • Russia3 (3 people)
  • Australia1 (1 people)
  • British Raj1 (1 people)

Life timeline

What were people born on May 9 doing at your age?

Dated milestones from Wikidata (company foundings, awards, top jobs, notable works), placed at the age each person reached them. Add your birth year above to see the ones you have passed.

By 25

  1. 24Adam OpelFounded Opel (1862)
  2. ~25Baldur von SchirachBecame Reichsjugendführer (1932)
  3. ~18Jupp HeynckesJoined Borussia Mönchengladbach (1963)
  4. ~17Marek JankulovskiJoined FC Baník Ostrava (1994)

26 to 30

  1. ~30Katie BoumanNamed BBC 100 Women (2019)
  2. ~28Marek JankulovskiJoined AC Milan (2005)
  3. ~27Genki HaraguchiJoined Fortuna Düsseldorf (2018)

31 to 40

  1. ~31Billy JoelReceived the Grammy Award for Album of the Year (1980)
  2. 34Glenda JacksonReceived the Academy Award for Best Actress (1971)
  3. ~40Manfred EigenReceived the Nobel Prize in Chemistry (1967)
  4. ~38Gustaf de LavalFounded Alfa Laval (1883)

41 to 50

  1. ~42Billy JoelReceived the Grammy Legend Award (1991)
  2. 43James L. BrooksReceived the Academy Award for Best Picture (1984)
  3. ~43Candice BergenReceived the Golden Globe Award for Best Actress in a Motion Picture – Musical or Comedy (1989)
  4. ~42Gregory BatesonNamed Guggenheim Fellowship (1946)

After 50

  1. ~66Michael LevittReceived the Nobel Prize in Chemistry (2013)
  2. ~63Henry J. KaiserFounded Kaiser Motors (1945)
  3. 52John AshcroftBecame United States senator (1995)
  4. 54Nataša Pirc MusarBecame President of Slovenia (2022)

The standouts

The most successful people born on May 9

Ordered by sourced wealth, then documented achievement and coverage.

Billy Joel
musician

Billy Joel

Top tier

Musician

1949 · United States

William Martin Joel is an American singer, songwriter, and pianist. Nicknamed the Piano Man, after his 1973 signature song of the same name, he has had a successful career as a solo artist since the 1970s.

David Shankbone, CC BY 3.0, via Wikimedia Commons

Full profile →

Sources (2)
John Brown
entrepreneur

John Brown

Top tier

Entrepreneur

1800–1859 · United States

John Brown was an American abolitionist in the decades preceding the American Civil War. An evangelical Christian of strong religious convictions, Brown was profoundly influenced by the Puritan faith of his upbringing.

Augustus Washington, Public domain, via Wikimedia Commons

Sources (2)
Rosario Dawson
actor

Rosario Dawson

Top tier

Actor

1979 · United States

Rosario Isabel Dawson is an American actress and activist. She made her feature-film debut in the 1995 independent drama Kids.

John Manard, CC BY-SA 4.0, via Wikimedia Commons

Sources (2)
Manfred Eigen
scientist

Manfred Eigen

Top tier

Author

1927–2019 · Germany

Manfred Eigen was a German biophysical chemist who won the 1967 Nobel Prize in Chemistry for work on measuring fast chemical reactions.

GFHund, CC BY 3.0, via Wikimedia Commons

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Sources (2)
Candice Bergen
actor

Candice Bergen

Actor

1946 · United States

Candice Patricia Bergen is an American actress. She won five Primetime Emmy Awards and two Golden Globe Awards as the title character on the CBS sitcom Murphy Brown. She is also known for her role as Shirley Schmidt on the ABC drama Boston Legal (2005–2008).

PhilipRomanoPhoto, CC BY 4.0, via Wikimedia Commons

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Sources (2)

Builders

Entrepreneurs born on May 9

James L. Brooks
founder

James L. Brooks

Founder · Gracie Films

1940 · United States

James Lawrence Brooks is an American filmmaker. He is the founder of Gracie Films and co-created the sitcoms The Mary Tyler Moore Show and Taxi, as well as co-developed The Simpsons.

Tim from Keene, NH, USA, CC BY-SA 2.0, via Wikimedia Commons

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Sources (2)
Henry J. Kaiser
founder

Henry J. Kaiser

Entrepreneur · Kaiser Motors · automotive

1882–1967 · United States

Henry John Kaiser was an American industrialist who became known for his shipbuilding and construction projects, then later for his involvement in fostering modern American health care.

Wikimedia Commons, Public domain, via Wikimedia Commons

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Sources (2)
Adam Opel
founder

Adam Opel

Entrepreneur · Opel · manufacturing

1837–1895 · Grand Duchy of Hesse

Adam Opel was a German entrepreneur who founded the company Adam Opel AG, then a manufacturer of bicycles and sewing machines.

Unknown authorUnknown author, Public domain, via Wikimedia Commons

Sources (2)
Brian Krzanich
entrepreneur

Brian Krzanich

Entrepreneur · Intel · manufacturing

1960 · United States

Brian Matthew Krzanich is an American engineer who was CEO of Intel from May 2013 to June 2018. Krzanich joined Intel as an engineer in 1982 and served as chief operating officer (COO) before being promoted to CEO in May 2013.

AP Photo/Intel Corporation,Bob Riha, Jr., CC BY-SA 2.0, via Wikimedia Commons

Sources (2)
Gustaf de Laval
founder

Gustaf de Laval

Entrepreneur · Alfa Laval · manufacturing

1845–1913 · Sweden

Karl Gustaf Patrik de Laval was a Swedish engineer and inventor who made important contributions to the design of steam turbines and centrifugal separation machinery for dairy.

Wikimedia Commons, Public domain, via Wikimedia Commons

Sources (2)
entrepreneur

Igor Rotenberg

Entrepreneur

1973 · Russia

Igor Rotenberg is a Russian billionaire businessman. In October 2018, Igor Rotenberg's wealth was estimated to be $1.1 billion. As for December 2023, he sold all of his assets in Russian companies.

Sources (2)

May 9 in history

What else happened on May 9

  1. 328Athanasius is elected Patriarch of Alexandria.
  2. 1671Thomas Blood, disguised as a clergyman, attempts to steal England's Crown Jewels from the Tower of London.
  3. 1918World War I: Germany repels Britain's second attempt to blockade the port of Ostend, Belgium.
  4. 1948Czechoslovakia's Ninth-of-May Constitution comes into effect.
  5. 1988New Parliament House, Canberra officially opens.

Events from Wikipedia, CC BY-SA.

More birthday twins

Famous people born on May 9

Noah Centineo
actor

Noah Centineo

Actor

1996 · United States

Noah Gregory Centineo is an American actor.

Gage Skidmore, CC BY-SA 3.0, via Wikimedia Commons

Sources (2)
Albert Finney
actor

Albert Finney

Actor

1936–2019 · United Kingdom

Albert Finney was an English actor. He attended the Royal Academy of Dramatic Art and worked in the theatre before attaining fame for film acting during the early 1960s, debuting with The Entertainer (1960), directed by Tony Richardson, who had previously directed him in theatre.

Unknown (Mondadori Publishers), Public domain, via Wikimedia Commons

Full profile →

Sources (2)
John Corbett
actor

John Corbett

Actor

1961 · United States

John Joseph Corbett Jr. is an American actor and singer. On television, he is best known for his roles as Chris Stevens on Northern Exposure (1990–1995), Aidan Shaw on Sex and the City (2000–2003) and sequel series And Just Like That.

Gage Skidmore, CC BY-SA 3.0, via Wikimedia Commons

Sources (2)
Lisa Ann
actor

Lisa Ann

Actor

1972 · United States

Lisa Ann Corpora, known professionally as Lisa Ann, is a retired American pornographic film actress and radio personality. She has also worked as a director and talent agent. She parodied former Governor of Alaska Sarah Palin in six adult films and a music video.

Toglenn, CC BY-SA 4.0, via Wikimedia Commons

Full profile →

Sources (2)
Glenda Jackson
actor

Glenda Jackson

Politician

1936–2023 · United Kingdom

Glenda May Jackson was an English actress and politician. Over the course of her distinguished career she received numerous accolades including two Academy Awards, three Emmy Awards and a Tony Award, making her one of the few performers to achieve the "Triple Crown of Acting."

Studio Publicity, Public domain, via Wikimedia Commons

Full profile →

Sources (2)
Dave Gahan
musician

Dave Gahan

Musician

1962 · United Kingdom

David Gahan is an English singer best known as the co-founder and lead singer of electronic music band Depeche Mode since their formation in 1980.

Depeche Mode, CC BY 3.0, via Wikimedia Commons

Sources (2)
J. M. Barrie
author

J. M. Barrie

Creator

1860–1937 · United Kingdom

Sir James Matthew Barrie, 1st Baronet was a British novelist and playwright, best remembered as the creator of Peter Pan. He was born and educated in Scotland and then moved to London, where he wrote several successful novels and plays.

Herbert Rose Barraud, Public domain, via Wikimedia Commons

Sources (2)
Baldur von Schirach
author

Baldur von Schirach

Politician

1907–1974 · Germany

Baldur Benedikt von Schirach was a German politician who was the leader (Reichsjugendführer) of the Hitler Youth from 1931 to 1940. From 1940 to 1945, he was the Gauleiter and Reichsstatthalter of Vienna.

Office of Military Government, United States (OMGUS), Public domain, via Wikimedia Commons

Sources (2)
Mike Wallace
actor

Mike Wallace

Actor

1918–2012 · United States

Myron Leon Wallace was an American broadcast journalist, and television personality. Known for his investigative journalism, he interviewed a wide range of prominent newsmakers during his seven-decade career.

John Mathew Smith, CC BY-SA 2.0, via Wikimedia Commons

Sources (2)
athlete

Faiq Bolkiah

Athlete

1998 · Brunei

Faiq Jefri Bolkiah is a member of the Brunei royal family and professional footballer who plays as a winger. Born in the United States, he has played as the captain of the Brunei national team.

Sources (2)
John Ashcroft
musician

John Ashcroft

Politician

1942 · United States

John David Ashcroft is an American lawyer, lobbyist, and former politician who served as the 79th United States attorney general under President George W. Bush from 2001 to 2005.

United States Department of Justice, Public domain, via Wikimedia Commons

Full profile →

Sources (2)
Benjamin Graham
investor

Benjamin Graham

Investor

1894–1976 · United States

Benjamin Graham was an English-American financial analyst, economist, accountant, investor and professor.

AnonymousUnknown author, Public domain, via Wikimedia Commons

Sources (2)
Nataša Pirc Musar
author

Nataša Pirc Musar

Politician

1968 · Slovenia

Nataša Pirc Musar is a Slovenian lawyer, author, and politician who has served as the President of Slovenia since December 2022. She is the first woman to hold the office in the country's history.

Borut Živulovič, Public domain, via Wikimedia Commons

Sources (2)
José Ortega y Gasset
author

José Ortega y Gasset

Politician

1883–1955 · Spain

José Ortega y Gasset was a Spanish philosopher and essayist. He worked during the first half of the 20th century while Spain oscillated between monarchy, republicanism and dictatorship.

SAS Scandinavian Airlines, Public domain, via Wikimedia Commons

Sources (2)
Gopal Krishna Gokhale
scientist

Gopal Krishna Gokhale

Politician

1866–1915 · British Raj

Gopal Krishna Gokhale was an Indian political leader and a social reformer during the Indian independence movement, and political mentor of Indian freedom fighter Mahatma Gandhi.

Unknown authorUnknown author, Public domain, via Wikimedia Commons

Sources (2)
Gregory Bateson
author

Gregory Bateson

Creator

1904–1980 · United States

Gregory Bateson was an English anthropologist, social scientist, linguist, visual anthropologist, semiotician, and cyberneticist whose work intersected that of many other fields. His writings include Steps to an Ecology of Mind (1972) and Mind and Nature (1979).

Festival della Scienza, CC BY-SA 2.0, via Wikimedia Commons

Sources (2)
Katie Bouman
scientist

Katie Bouman

Scientist

1989 · United States

Katherine Louise Bouman is an American engineer and computer scientist working in the field of computational imaging.

Credit: NSF, Public domain, via Wikimedia Commons

Sources (2)
Marek Jankulovski
athlete

Marek Jankulovski

Athlete

1977 · Czech Republic

Marek Jankulovski is a Czech former professional footballer who played as a defender. His most notable achievements include winning the UEFA Champions League with AC Milan and being voted the 2007 Czech Footballer of the Year.

Tadeáš Bednarz, CC BY-SA 4.0, via Wikimedia Commons

Full profile →

Sources (2)
Gaspard Monge
scientist

Gaspard Monge

Politician

1746–1818 · France

Gaspard Monge, Comte de Péluse was a French mathematician, commonly presented as the inventor of descriptive geometry, technical drawing, and the father of differential geometry.

François-Séraphin Delpech, Public domain, via Wikimedia Commons

Sources (2)
Fyodor Bondarchuk
actor

Fyodor Bondarchuk

Actor

1967 · Russia

Fyodor Sergeyevich Bondarchuk is a Russian film director, actor, producer and TV host. He is also the founder of Art Pictures Studio, a production company.

Пресс-служба Государственной Думы РФ, CC BY 4.0, via Wikimedia Commons

Sources (2)
Bulat Okudzhava
actor

Bulat Okudzhava

Actor

1924–1997 · Russia

Bulat Shalvovich Okudzhava was a Soviet and Russian poet, writer, musician, novelist, and singer-songwriter of Georgian-Armenian ancestry.

Anastasiya Fedorenko, CC BY-SA 3.0, via Wikimedia Commons

Sources (2)
Giovanni Paisiello
musician

Giovanni Paisiello

Musician

1741–1816 · Kingdom of Naples

Giovanni Paisiello was an Italian composer of the Classical era, and was the most popular opera composer of the late 1700s. His operatic style influenced Mozart and Rossini.

Élisabeth Louise Vigée Le Brun, Public domain, via Wikimedia Commons

Sources (2)
Yukiya Amano
politician

Yukiya Amano

Politician

1947–2019 · Japan

Yukiya Amano was a Japanese diplomat, who served as the Director-general of the International Atomic Energy Agency (IAEA) from 1 December 2009 until his death on 18 July 2019. Previously, Amano served as an international civil servant for the United Nations and its subdivisions.

IAEA Imagebank, CC BY-SA 2.0, via Wikimedia Commons

Sources (2)
Brymo
musician

Brymo

Musician

1986 · Nigeria

Ọlawale Ọlọfọrọ, better known as Brymo, is a Nigerian singer, songwriter, sonic artist, actor and author. Born and raised in Okokomaiko, he started recording music in 1999 while in secondary school. Brymo's debut album, Brymstone (2007), was supported by the single "Shawty".

Ndani TV, CC BY 3.0, via Wikimedia Commons

Sources (2)
Leszek Czarnecki
entrepreneur

Leszek Czarnecki

Entrepreneur

1962 · Poland

Polish businessman

Anonimowy fotograf pracujący na zlecenie GETIN Holding, CC BY-SA 3.0, via Wikimedia Commons

Sources (1)

Manuel Alejandro Grullón

Dominican businessman

1953 · Dominican Republic

Manuel Alejandro Grullón Viñas is a businessman from the Dominican Republic. In April 2014, he was appointed the Chairman of Grupo Popular, a company whose subsidiaries include Banco Popular Dominicano, the largest private bank in the Dominican Republic.

Sources (2)
Charles Walter De Vis
investor

Charles Walter De Vis

Investor

1829–1915 · Australia

Charles Walter de Vis was an English zoologist, ornithologist, herpetologist, and botanist.

Unknown photographer, Public domain, via Wikimedia Commons

Sources (2)

Sources and method for this page

This page lists 44 people born on May 9, every one traced to a Wikidata record and, where shown, a Wikipedia summary (CC BY-SA) and a licensed Wikimedia Commons photo. 2 of them carry a dated net-worth estimate citing Forbes or Bloomberg; combined wealth is the sum of the low end of those estimates, the newest as of July 2025. Rankings compare all 366 dates in the dataset built on 2026-09-28. Milestone ages come from dated Wikidata statements; a tilde marks year-only dates. Nothing on this page is a prediction about anyone born on May 9. Read the full methodology.

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