Martin O’Neill stands as one of the most accomplished figures in British and Irish football, having won the European Cup as a Nottingham Forest player before collecting seven major trophies as manager of Celtic. In June 2026, he returned to the Celtic dugout on a permanent basis, completing a remarkable comeback that adds a final chapter to a career spanning more than five decades.
Born in Kilrea, Northern Ireland, in 1952, O’Neill’s path from a promising midfielder under Brian Clough to a trophy-winning manager at Leicester City, Celtic, and Aston Villa is built on a reputation for tactical discipline, motivational intensity, and an ability to galvanise squads. Few football figures have matched his dual success at the highest levels of the game—both as a player and a manager.
As of the 2026–27 season, the 73‑year‑old is the permanent manager of Celtic, a club where his first spell produced a 75.5 percent win rate—the highest of any Celtic manager in history. This article traces his playing career, his managerial journey across eight clubs and two national teams, and the latest developments surrounding his return to Glasgow.
What Is Martin O’Neill’s Career Timeline and Which Teams Has He Managed?
Martin Hugh Michael O’Neill
1 March 1952 (age 73), Kilrea, Northern Ireland
Midfielder (player); Manager (coach)
European Cup winner (1980); 7 major trophies as Celtic manager
Key Insights
- O’Neill is one of the most successful Northern Irish football figures, with a unique career spanning from European Cup winner as a player to Premier League and Champions League manager.
- His managerial style is characterised by intense motivation, tactical discipline, and an ability to extract maximum performance from mid‑tier teams.
- The 2025–26 appointment as Celtic’s permanent manager marks a significant late‑career comeback after his spell with the Republic of Ireland.
- O’Neill’s legacy is closely tied to his time at Celtic (2000–2005), where he dominated Scottish football and reached the UEFA Cup Final.
- He is the only manager to have won the Scottish Premiership, Scottish Cup, and League Cup with Celtic in a single season (2000–01).
Snapshot Facts
| Fact | Detail |
|---|---|
| Playing Career Span | 1971–1985 |
| Notable Playing Club | Nottingham Forest (1971–1981) |
| Major Playing Honor | European Cup (1980) |
| Managerial Career Span | 1987–present |
| Most Notable Managerial Role | Celtic (2000–2005, 2025–present) |
| Major Managerial Trophies | 7 (3 Scottish Premier League, 3 Scottish Cups, 1 League Cup) |
| Other Managerial Clubs | Leicester City, Aston Villa, Sunderland, Republic of Ireland |
| Current Status (2025–26) | Permanent manager of Celtic (confirmed June 2026) |
Where Did Martin O’Neill Start His Managerial Career?
O’Neill began his managerial journey in the non‑league ranks. He took charge of Grantham Town in 1987 before moving to Wycombe Wanderers in 1990, where he won the FA Trophy in 1991 and 1993. In 1995 he returned to his former playing club Norwich City, and three years later he was appointed manager of Leicester City.
Martin O’Neill at Leicester City and Celtic
At Leicester, O’Neill guided the club to three Football League Cup finals, winning the trophy in 1999 and 2000. He left on 1 June 2000 to join Celtic, who had finished runners‑up to Rangers in the two previous seasons. During his first spell at Celtic Park (2000–2005) he won three Scottish Premier League titles, three Scottish Cups, and one Scottish League Cup—seven trophies in five years. The club also reached the 2003 UEFA Cup Final, losing to Porto. His win rate of 75.5 percent is the highest of any Celtic manager.
Martin O’Neill’s Tenure at Aston Villa and Sunderland
From 2006 to 2010, O’Neill managed Aston Villa, securing three consecutive top‑six finishes in the Premier League. He then moved to Sunderland (2011–2013), a period that ended with the club’s relegation in 2017, though O’Neill had left the role before that outcome. According to his LinkedIn profile and Transfermarkt, he managed the Black Cats for two seasons.
Martin O’Neill and the Republic of Ireland National Team
Between 2013 and 2018, O’Neill was manager of the Republic of Ireland. He led the team to UEFA Euro 2016—only the third time Ireland had qualified for the tournament—and secured a famous victory over reigning world champions Germany during the qualifying campaign.
O’Neill’s managerial career spans non‑league, Championship, Premier League, Scottish Premiership, and international football. He is one of the few managers to have worked in England, Scotland, and at a major international tournament.
Martin O’Neill’s Return to Celtic (2025–2026)
O’Neill’s return to Celtic began in October 2025 when he was appointed interim manager following Brendan Rodgers’ resignation. He left in December when Wilfried Nancy was appointed, but Nancy lasted only 33 days. O’Neill was reappointed in January 2026 and led Celtic to the Scottish Premiership title on the final day, won the 2026 Scottish Cup (3–1 against Dunfermline Athletic at Hampden Park), and completed a domestic double. In June 2026, he was confirmed as the permanent manager on a one‑year contract with an option for a further year. Martin O’Neill on Wikipedia documents these events in detail.
What Was Martin O’Neill’s Playing Career Like?
Martin O’Neill’s Time at Nottingham Forest Under Brian Clough
O’Neill signed for Nottingham Forest as a youth player in 1971. Under the legendary Brian Clough, he developed into a hard‑working midfielder. He was part of the Forest side that won the European Cup in 1980, scoring in the semi‑final against Ajax. His playing career also included spells at Norwich City, a loan at Manchester City, and later Notts County.
Winning the European Cup with Nottingham Forest
The 1979–80 European Cup triumph remains the pinnacle of O’Neill’s playing days. Forest defeated Hamburg 1–0 in the final at the Santiago Bernabéu. O’Neill played the full match. Nottingham Forest Official Club Site lists him among the club’s European Cup‑winning squad.
Martin O’Neill’s International Career for Northern Ireland
O’Neill earned 64 caps for Northern Ireland between 1971 and 1984 and scored eight goals. He represented his country at the 1982 FIFA World Cup in Spain, where Northern Ireland reached the second round.
Who Is Martin O’Neill? Biography and Personal Life
Martin O’Neill’s Early Life in Northern Ireland
Born in Kilrea, County Londonderry, O’Neill grew up in a football‑loving family. He attended St. Patrick’s College in Belfast before moving to England to begin his playing career.
Martin O’Neill’s Family and Wife
O’Neill has been married to his wife, Geraldine, for several decades. The couple have children together, though Geraldine has remained largely out of the public eye. No further personal details have been widely reported.
Martin O’Neill’s Education and Personality
O’Neill studied at the University of Ulster before turning professional. He is known for a passionate, sometimes intense personality on the sidelines, but colleagues describe him as thoughtful and articulate in private. He holds a law degree from the University of Ulster.
O’Neill is a qualified solicitor and has written an autobiography. His academic background is less common among football managers, reflecting a broader intellectual curiosity.
Is Martin O’Neill the Current Celtic Manager? Latest News
Martin O’Neill’s Interim Spells at Celtic in 2025
As detailed above, O’Neill served two interim spells in 2025–26 before being made permanent. His second stint saw him win the domestic double. BBC: O’Neill confirmed as Celtic’s permanent manager provides authoritative coverage of the appointment.
What Does Martin O’Neill’s Appointment Mean for Celtic?
The return of a club legend has been widely seen as a stabilising move after a turbulent season. O’Neill’s experience and emotional connection to the support are expected to provide continuity while the board considers longer‑term planning. He is also the chair of the League Managers Association (since 2024), a role he continues to hold.
Some earlier reports referred to O’Neill as “interim” or “permanent” at different points. As of June 2026, the permanent appointment has been officially confirmed by both the club and BBC Sport.
Martin O’Neill: Full Career Timeline
- – Born in Kilrea, Northern Ireland.
- – Signed as a youth player by Nottingham Forest.
- – Won European Cup with Nottingham Forest.
- – Spells with Norwich City, Manchester City (loan), and Notts County.
- – Began managerial career at Grantham Town.
- – Took over at Wycombe Wanderers; led them to Football League.
- – Appointed manager of Leicester City.
- – Appointed manager of Celtic.
- – Won 3 Scottish Premier League titles, 3 Scottish Cups, 1 League Cup at Celtic.
- – Appointed manager of Aston Villa.
- – Appointed manager of Sunderland.
- – Appointed manager of Republic of Ireland national team.
- – Appointed permanent manager of Celtic after interim spells.
What Is Confirmed and What Remains Unclear About Martin O’Neill?
| Established Information | Information That Remains Unclear |
|---|---|
| O’Neill is the permanent Celtic manager as of June 2026, confirmed by BBC and club sources. | No official statement on his long‑term plans beyond the current contract (1‑year + option). |
| His playing career at Nottingham Forest, including the European Cup win, is thoroughly documented. | Speculation about future roles (e.g., retirement, another club) is unconfirmed. |
| His managerial record at Leicester, Celtic, Aston Villa, and the Republic of Ireland is well known. | Exact financial details of his current Celtic contract have not been disclosed. |
What Does Martin O’Neill’s Career Mean in a Wider Football Context?
O’Neill belongs to a rare group of individuals who have both won the European Cup as a player and managed a club in the Champions League. His ability to revitalise clubs was evident at Leicester (avoiding relegation while winning the League Cup) and at Celtic (domestic dominance). His style has been described as passionate, demanding, and sometimes pragmatic. The 2025–26 return to Celtic is seen as a stabilising move after a turbulent season, reinforcing his status as a club icon.
His influence extends beyond trophies: he has been a vocal advocate for manager welfare through his chairmanship of the League Managers Association and has published a memoir. Martin O’Neill author profile on Pan Macmillan details his writing work.
Sources and Quotes About Martin O’Neill
The following primary sources were used to compile this article:
- BBC Sport – “O’Neill confirmed as Celtic’s permanent manager” (11 June 2026)
- Wikipedia – Martin O’Neill biography
- Pan Macmillan – Author biography
- LinkedIn profile (self‑reported)
- The Athletic / New York Times – “Martin O’Neill Celtic manager article” (11 June 2026)
Summary: Martin O’Neill’s Legacy and What Comes Next
Martin O’Neill’s career is a story of sustained achievement at the highest levels—European glory as a player, domestic dominance as a manager, and a late‑career return that defied expectations. For a deeper look at the man who runs Celtic as majority shareholder, read Dermot Desmond – Net Worth, Wife, Religion, and Celtic Role. His current contract runs through the 2026–27 season with an option, and the focus will be on maintaining Celtic’s domestic supremacy while aiming for progress in Europe.
Frequently Asked Questions About Martin O’Neill
Is Martin O’Neill related to other famous O’Neills?
No confirmed relation. He is not known to be related to other public figures with the surname O’Neill.
What is Martin O’Neill’s net worth?
Exact net worth is not publicly disclosed. Estimates vary, but his managerial salaries and book royalties are believed to place him among well‑compensated football figures.
Did Martin O’Neill play for any other clubs besides Nottingham Forest?
Yes. He played for Norwich City, Manchester City (loan), and Notts County after leaving Forest.
Is Martin O’Neill in the Hall of Fame?
He was inducted into the English Football Hall of Fame in 2020 in recognition of his managerial achievements.
How many trophies did Martin O’Neill win as a manager?
At least seven major trophies: three Scottish Premier League titles, three Scottish Cups, and one Scottish League Cup, plus two Football League Cups with Leicester City.
When did Martin O’Neill leave Celtic the first time?
He departed in May 2005 after five seasons.
Who did Martin O’Neill manage after Celtic?
Aston Villa (2006–2010), Sunderland (2011–2013), Republic of Ireland (2013–2018), and briefly Nottingham Forest (2019).
What is Martin O’Neill’s current job outside football?
He has been chair of the League Managers Association since 2024.
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Kieran Doherty covers Westminster, councils, public policy and political affairs across the United Kingdom.