O'Neil Last Name Origin, History, and Meaning
Where did the surname O'Neil come from? What does the surname O'Neil mean? Discover the history and meaning of the last name O'Neil and family migration on YourRoots Map.
Surname O'Neil Origin: What does the last name O'Neil mean?
The surname O'Neil originates from Northern Ireland (United Kingdom) in the early 14th century, according to YourRoots data. It has remained closely associated with Ireland and Northern Ireland for centuries, with records also showing its presence in the United States, indicating a global spread over time.
YourRoots data confirms the global spread of the O'Neil surname, with significant records in the United States by the 20th century. The name remains prominent in various countries, including Ireland and Northern Ireland, showcasing its enduring presence and widespread distribution.
O'Neil Last Name History: Where did the last name O'Neil come from?
Origin of O'Neil Surname: Where does the last name O'Neil originate from?
According to YourRoots data, the surname O'Neil first appeared in records from Northern Ireland (United Kingdom) around the early 14th century. Please note that this reflects only YourRoots data for the exact O'Neil spelling and does not include other record sources or surname variations.
History of the Last Name O'Neil: What does the O'Neil surname history look like in the early days?
The O'Neil surname remained closely associated with Ireland and Northern Ireland (United Kingdom) from the 14th to the 18th centuries. YourRoots data also shows O'Neil family records in countries like the United States, indicating global spread over the centuries.
Global Spread: Where can we find the O'Neil surname today?
By the 20th century, the volume of records with the O'Neil surname grew significantly in the United States. The O'Neil surname remains prominent in the United States. It appears in many countries, including Ireland and Northern Ireland (United Kingdom).
Explore O'Neil last name heritage and O'Neil surname origin based on YourRoots Map data

Famous People With O'Neil Surame?
Barbara O'Neil
Barbara O'Neil (July 17, 1910 – September 3, 1980) was an American actress known for her roles in classic films like Gone with the Wind and All This, and Heaven Too. She started her career in Broadway before transitioning to the big screen, where she portrayed memorable characters like Scarlett O'Hara's mother. O'Neil's performances earned her critical acclaim, including an Academy Award nomination. Despite her success in Hollywood, she remained dedicated to her craft and never remarried. O'Neil's legacy continues to live on through her timeless contributions to the golden age of cinema.
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