Hugh O'Neill, Earl of Tyrone
A leading figure in the Nine Years' War against English rule in Ireland, famous for his resistance efforts in the late 16th century.
IPA Pronunciation
oʊˈniːl
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Syllables
The name Oneill is an Anglicized form derived from the Irish Gaelic 'Ó Néill,' meaning 'descendant of Niall.' Niall itself is an ancient Irish name believed to mean 'champion' or possibly 'cloud.' Historically, the Ó Néill clan was one of the most powerful Gaelic dynasties in Ireland, associated with kingship and leadership.
Cultural Significance of Oneill
The name Oneill is deeply rooted in Irish heritage, linked to the powerful Ó Néill dynasty that ruled Ulster for centuries. The clan produced many kings and chieftains and played a central role in Irish resistance to English rule. The name symbolizes leadership, bravery, and noble lineage, making it a potent cultural emblem in Ireland and among the Irish diaspora.
Oneill Name Popularity in 2025
Today, Oneill is used primarily as a surname but has increasingly become a given name in English-speaking countries, especially in Ireland and the US. It carries a strong Irish identity and is favored by parents seeking a name with historical depth and cultural pride. While not currently among the top baby names, it remains a distinctive choice with growing appeal.
Name Energy & Essence
The name Oneill carries the essence of “Descendant of Niall, meaning 'champion' or 'cloud'.” from Irish tradition. Names beginning with "O" often embody qualities of openness, originality, and spiritual depth.
Symbolism
Cultural Significance
The name Oneill is deeply rooted in Irish heritage, linked to the powerful Ó Néill dynasty that ruled Ulster for centuries. The clan produced many kings and chieftains and played a central role in Irish resistance to English rule. The name symbolizes leadership, bravery, and noble lineage, making it a potent cultural emblem in Ireland and among the Irish diaspora.
Conn O'Neill, 1st Earl of Tyrone
An Irish nobleman who played a key role in the politics of Ulster during the early 16th century.
Brian O'Neill, King of Tyrone
A medieval Irish king known for his leadership in Ulster during the 13th century.
Art O'Neill
Irish nobleman and soldier who fought in the Irish Confederate Wars.
Felim O'Neill
Leader of the Irish Rebellion of 1641, an important figure in Irish history.
Shane O'Neill
Irish chieftain who challenged English authority in the 16th century.
Turlough Luineach O'Neill
Chieftain of the O'Neill clan who resisted English encroachment in the late 16th century.
Hugh O'Neill, 2nd Baron Rathcavan
A notable Irish politician and peer in the 20th century.
Shaun O'Neill
Musician
John O'Neill
Politician
Liam O'Neill
Sports Administrator
Michael O'Neill
Football Manager
Kevin O'Neill
Comics Artist
Patrick O'Neill
Poet
Sean O'Neill
Table Tennis Player
Brian O'Neill
Business Executive
The Quiet Man ()
O'Neill ()
Mystic River ()
Brooklyn ()
The West Wing ()
Law & Order ()
The Departed ()
Sons of Anarchy ()
Oneill
🌐Spanish
Oneill
🌐French
Oneill
🌐German
Oneill
🌐Italian
オニール (Onīru)
🌐Japanese
奥尼尔 (Àoní'ěr)
🌐Chinese
أونيل
🌐Arabic
Fun Fact About Oneill
The Ó Néill clan was historically known as the 'Kings of Tír Eoghain' and were considered one of the most powerful Gaelic families in medieval Ireland.
Personality Traits for Oneill
Individuals named Oneill are often perceived as strong-willed, loyal, and charismatic leaders. They tend to embody a sense of tradition and pride in their heritage, with a natural ability to inspire others. The name suggests resilience, bravery, and a thoughtful nature, blending modern confidence with timeless values.
What does the name Oneill mean?
Oneill is a Irish name meaning “Descendant of Niall, meaning 'champion' or 'cloud'.”. The name Oneill is an Anglicized form derived from the Irish Gaelic 'Ó Néill,' meaning 'descendant of Niall.' Niall itself is an ancient Irish name believed to mean 'champion' or possibly 'cloud.' Historically, the Ó Néill clan was one of the most powerful Gaelic dynasties in Ireland, associated with kingship and leadership.
How do you pronounce Oneill?
Oneill is pronounced (IPA: oʊˈniːl). It has 2 syllables with the pattern N/A.
What are nicknames for Oneill?
Popular nicknames for Oneill include: Neilly, O, Nell, Neilster, Oni, Nio, Neals, O'Neil, Nelly, Neillie.
Who are famous people named Oneill?
Famous people named Oneill include: , , , , .
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Oneill is a beautiful Irish name meaning “Descendant of Niall, meaning 'champion' or 'cloud'.”. The name Oneill is an Anglicized form derived from the Irish Gaelic 'Ó Néill,' meaning 'descendant of Niall.' Niall itself is an ancient Irish name believed to mean 'champion' or possibly 'cloud.' His...
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