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O'Sullivan Last Name Origin, History, and Meaning

Where did the surname O'Sullivan come from? What does the surname O'Sullivan mean? Discover the history and meaning of the last name O'Sullivan and family migration on YourRoots Map.


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Surname O'Sullivan Origin: What does the last name O'Sullivan mean?

The surname O'Sullivan is of Irish origin and is associated with the southwestern part of Ireland, particularly in County Tipperary and Kerry. It is the third most numerous surname in Ireland, with roughly half of O'Sullivans residing in the country. The name is derived from the Old Irish term "S√∫illeabh√°n," meaning "grandchild or descendant of S√∫illeabh√°n." The etymology of the given name is uncertain, with interpretations including "little dark-eyed one" or "hawk-eyed." The original bearer of the name was Suilebhan mac Maolura, recorded in legendary Irish genealogy in the 9th century.

YourRoots data indicates that the O'Sullivan surname first appeared in records from Ireland in the early 16th century and has remained closely associated with the country. Over the centuries, the surname has spread globally, with records found in countries like England. By the 20th century, the volume of records with the O'Sullivan surname significantly increased, particularly in Ireland. The name continues to be prominent in Ireland and appears in various countries worldwide, reflecting its widespread presence and rich heritage.

O'Sullivan Last Name History: Where did the last name O'Sullivan come from?

Origin of O'Sullivan Surname: Where does the last name O'Sullivan originate from?

According to YourRoots data, the surname O'Sullivan first appeared in records from Ireland around the early 16th century. Please note that this reflects only YourRoots data for the exact O'Sullivan spelling and does not include other record sources or surname variations.

History of the Last Name O'Sullivan: What does the O'Sullivan surname history look like in the early days?

The O'Sullivan surname remained closely associated with Ireland from the 16th to the 18th centuries. YourRoots data also shows O'Sullivan family records in countries like England, indicating global spread over the centuries.

Global Spread: Where can we find the O'Sullivan surname today?

By the 20th century, the volume of records with the O'Sullivan surname grew significantly in Ireland. The O'Sullivan surname remains prominent in Ireland. It appears in many countries, including England, reflecting its widespread presence.


Explore O'Sullivan last name heritage and O'Sullivan surname origin based on YourRoots Map data

O'Sullivan surname origin, history, meaning based on YourRoots Map dataVIEW THE ORIGIN OF SURNAME O'SULLIVAN

Famous People With O'Sullivan Surame?

  • YourRoots Map_Surname_Famous People_Ronnie O'Sullivan

    Ronnie O'Sullivan

    Ronald Antonio O'Sullivan (Dec 5, 1975 - ) is an English professional snooker player known for his talent and record-breaking achievements in the sport. With seven World Snooker Championship wins, eight Masters titles, and eight UK Championship titles, he holds numerous records in snooker history. O'Sullivan was the youngest player to win a ranking title and the Masters, showcasing his exceptional skills from a young age. Outside of snooker, he has written books, appeared in documentaries, and received an OBE in 2016. Despite facing personal struggles, O'Sullivan's legacy in the world of snooker is one of greatness and longevity.

  • YourRoots Map_Surname_Famous People_Maureen O'Sullivan

    Maureen O'Sullivan

    Maureen Paula O'Sullivan (May 17, 1911 – June 23, 1998) was an Irish actress best known for portraying Jane in the Tarzan film series alongside Johnny Weissmuller. She appeared in numerous films over more than five decades, working with Hollywood legends like Greta Garbo, Laurence Olivier, and the Marx Brothers. O'Sullivan took a break from acting to raise her family but returned to the screen in later years, starring in notable films like Woody Allen's "Hannah and Her Sisters" and Coppola's "Peggy Sue Got Married." With a star on the Hollywood Walk of Fame, she is remembered for her lasting contributions to the art of film.

  • YourRoots Map_Surname_Famous People_Gilbert O'Sullivan

    Gilbert O'Sullivan

    Raymond Edward "Gilbert" O'Sullivan (born Dec 1, 1946) is an Irish singer-songwriter known for hits like "Alone Again (Naturally)" and "Clair". He achieved success in the early 1970s with his distinctive piano playing style and clever lyrics. O'Sullivan has charted 16 top 40 records and received three Ivor Novello Awards. His unique look and sound set him apart in the music industry, making him a memorable figure in the pop music scene.

  • YourRoots Map_Surname_Famous People_Gilbert O'Sullivan

    Richard O'Sullivan

    Richard John O'Sullivan (May 7, 1944 - ) is an English comedy actor best known for his roles in popular TV sitcoms such as Man About the House and Robin's Nest. He also portrayed the title character in the period adventure series Dick Turpin. With a career spanning from the 1960s to the 1990s, O'Sullivan appeared in various films and television shows, showcasing his talent and versatility as an actor. His contributions to the entertainment industry have left a lasting impact on audiences worldwide.

  • YourRoots Map_Surname_Famous People_Gilbert O'Sullivan

    Camille O'Sullivan

    Camille O'Sullivan is an Irish singer, musician, and actress known for her dramatic musical style and covers of artists like Radiohead, Tom Waits, and David Bowie. Born in London, England, to an Irish father and French mother, she studied architecture before pursuing a career in music. O'Sullivan gained recognition for her performances at the Edinburgh Fringe Festival and her role in the film "Mrs Henderson Presents." With a unique blend of cabaret and rock influences, she has toured internationally and continues to captivate audiences with her powerful vocals and emotional storytelling.

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