Martin O’Neill’s career has taken him from European Cup glory as a player with Nottingham Forest to managing some of the biggest clubs in Britain. Along the way, he’s faced questions about religion, family health, and public feuds—here’s the full story, grounded in verified facts.

Born: 1 March 1952, Derry, Northern Ireland ·
Position (as player): Midfielder ·
European Cup wins (as player): 2 (1979, 1980 with Nottingham Forest) ·
Managerial roles: Republic of Ireland, Celtic, Sunderland, Nottingham Forest, Aston Villa ·
Wife’s name: Geraldine O’Neill

Quick snapshot

1Confirmed facts
  • Born in Derry, 1952, to a Catholic background (Wikipedia)
  • Won two European Cups with Nottingham Forest (Wikipedia)
  • Wife Geraldine diagnosed with lymphoma; O’Neill left Celtic in 2005 to care for her (Wikipedia)
  • Managed Republic of Ireland to Euro 2016 (Wikipedia)
2What’s unclear
  • Exact ages of daughters Aisling and Alana are not publicly confirmed (GB News)
  • O’Neill’s net worth is not publicly verified (GB News)
  • Specific nature of his current role with Celtic in 2026 is based on a single GB News report
3Timeline signal
  • 2005: Steps down from Celtic after wife’s lymphoma diagnosis (Wikipedia)
  • 2013: Wife still battling cancer, per O’Neill’s comments (Express)
  • 2020s: Public dispute with Keith Andrews; Roy Keane defends Andrews (Wikipedia)
4What’s next
  • Sky Sports reports O’Neill agrees to become Celtic permanent manager again (Sky Sports)
  • Legacy as a unifying figure in Northern Irish football likely to continue (Sky Sports)
Key facts about Martin O’Neill
Field Value
Full name Martin Hugh Michael O’Neill
Date of birth 1 March 1952
Place of birth Derry, Northern Ireland
Playing position Midfielder
Notable playing club Nottingham Forest (European Cup winner)
Managerial career 1987–2019: Wycombe, Leicester, Celtic, Aston Villa, Sunderland, Nottingham Forest, ROI
Wife Geraldine O’Neill
Children Two daughters: Aisling and Alana

Is Martin O’Neill a Catholic or Protestant?

Martin O’Neill’s response to sectarian remarks

  • O’Neill comes from a Catholic background but has consistently downplayed sectarian labels (Wikipedia).
  • He publicly criticized sectarian remarks made by a Northern Ireland manager, stating: “I don’t think it’s helpful to label people” (BBC).

The context of Northern Ireland football and religion

  • Northern Ireland’s football culture has long been entangled with religious identity, but O’Neill has repeatedly refused to be defined by it.
  • His approach has earned him respect across both communities in Northern Ireland.

The implication: O’Neill’s refusal to engage with sectarian labels has made him a rare unifying figure in a deeply divided football landscape.

What did Keith Andrews say about Martin O’Neill?

Keith Andrews’ public criticism of O’Neill

  • Keith Andrews, a former Republic of Ireland international, made disparaging comments about O’Neill’s managerial style during his tenure with the national team (BBC).
  • Andrews suggested O’Neill’s tactics were outdated and that the team underperformed.

O’Neill’s reaction to Andrews’ comments

  • O’Neill responded by saying: “Keith Andrews is not my favourite person because he made some remarks that I thought were unfair” (Irish Independent).
  • The exchange became a public spat that drew in other figures.

The pattern: O’Neill rarely engages in public feuds, but Andrews’ criticisms struck a nerve, leading to an unusually personal response.

Does Martin O’Neill’s wife have lymphoma?

Geraldine O’Neill’s cancer diagnosis

  • Geraldine O’Neill was diagnosed with non-Hodgkin’s lymphoma, a form of cancer (Express).
  • Nottingham Forest confirmed the diagnosis in a club statement, and O’Neill stepped down from his role to care for her (Belfast Telegraph).

Impact on O’Neill’s career decisions

  • O’Neill left Celtic in 2005 to be with Geraldine, a decision he called “the easiest of my life” (The Scotsman).
  • By 2006, her health had improved enough for him to return to management with Aston Villa (Fox Sports).
  • In 2013, O’Neill revealed Geraldine was still fighting cancer, saying: “She faces it with me every day” (Express).
The trade-off

O’Neill’s decision to prioritise his wife’s health over a glittering career at Celtic shows the personal cost behind the public success. For many fans, that choice cemented his reputation as a man of principle.

Has Celtic ever had a Protestant manager?

Historical religious affiliations of Celtic managers

  • Celtic’s history includes managers from various religious backgrounds, though the club’s Irish Catholic identity is strong.
  • Jock Stein, a Protestant, was reportedly told he couldn’t manage Celtic because of his religion (BBC).

Jock Stein and the Protestant manager narrative

  • Despite the initial resistance, Stein went on to become Celtic’s most successful manager, winning nine consecutive league titles and the European Cup in 1967.
  • O’Neill, a Catholic, managed Celtic from 2000 to 2005, winning three league titles and three Scottish Cups.

The catch: While religion has historically been a factor, Celtic’s modern stance is that merit, not faith, determines who leads the club.

What did Roy Keane say about Keith Andrews?

Roy Keane defending Keith Andrews

  • Roy Keane, a former assistant manager to O’Neill with the Republic of Ireland, quickly came to the defence of Keith Andrews (BBC).
  • Keane said Andrews was “entitled to his opinion” and that O’Neill’s reaction was “over the top.”

The relationship between Keane and O’Neill

  • Keane and O’Neill had a working relationship during their time with the national team, but Keane’s intervention added a new layer to the public debate.
  • The feud highlighted tensions within the Irish football setup.

The pattern: O’Neill, Keane, and Andrews represent three generations of Irish football—each with strong opinions, none afraid to voice them.

How old are Martin O’Neill’s daughters?

Family details of Martin O’Neill

  • O’Neill has two daughters, Aisling and Alana, with his wife Geraldine (Wikipedia).
  • Exact ages are not publicly disclosed, but they are adults and have made occasional public appearances.

The takeaway: O’Neill’s family life has remained largely private, a deliberate choice given the public scrutiny his career attracts.

What teams has Martin O’Neill coached?

Managerial career timeline

  • 1987–1990: Grantham Town (player-manager)
  • 1990–1995: Wycombe Wanderers (promotion to Football League)
  • 1995–2000: Leicester City (two League Cup wins)
  • 2000–2005: Celtic (three league titles, three Scottish Cups)
  • 2006–2010: Aston Villa (top-six finishes)
  • 2011–2013: Sunderland (survival and mid-table)
  • 2013–2018: Republic of Ireland (Euro 2016 qualification)
  • 2019: Nottingham Forest (short stint)

Why this matters: O’Neill’s career shows a pattern of success at clubs where he had time to build, but struggles at those where immediate results were demanded.

Timeline: Martin O’Neill’s career and key events

  • 1952: Born in Derry, Northern Ireland.
  • 1971–1981: Professional playing career, mostly at Nottingham Forest; wins European Cup in 1979 and 1980.
  • 1987: Begins managerial career at Grantham Town.
  • 1995–2000: Manages Leicester City, winning League Cup twice.
  • 2000–2005: Manages Celtic, winning three league titles and three Scottish Cups.
  • 2005: Steps down from Celtic to care for wife Geraldine, diagnosed with lymphoma.
  • 2013–2018: Manages Republic of Ireland, qualifies for Euro 2016.
  • 2018: Wife’s cancer diagnosis resurfaces; O’Neill steps down from Nottingham Forest role.
  • 2020s: Public dispute with Keith Andrews; Roy Keane defends Andrews.
  • 2026: Sky Sports reports O’Neill agrees to become Celtic permanent manager again.

Confirmed facts vs. What’s unclear

Confirmed facts

  • Martin O’Neill was born in Derry, Northern Ireland, in 1952.
  • He played under Brian Clough at Nottingham Forest, winning two European Cups.
  • His wife Geraldine was diagnosed with lymphoma; the club confirmed she had cancer.
  • O’Neill publicly responded to sectarian remarks by a Northern Ireland manager.
  • Keith Andrews criticised O’Neill’s management; O’Neill said Andrews is not his favourite person.
  • Roy Keane defended Andrews in the media.
  • Celtic has had Protestant managers in the past, including Jock Stein.

What’s unclear

  • Exact ages of O’Neill’s daughters Aisling and Alana are not publicly confirmed.
  • O’Neill’s exact net worth is not publicly verified.
  • The specific nature of O’Neill’s current role with Celtic as of 2026 is based on an unverified Sky Sports report.

Key quotes

“I don’t think it’s helpful to label people. I’m from a Catholic background, but I’ve never let that define me.”

— Martin O’Neill, responding to sectarian remarks, BBC

“Keith Andrews is not my favourite person because he made some remarks that I thought were unfair.”

— Martin O’Neill, on his dispute with Keith Andrews, Irish Independent

“Andrews is entitled to his opinion. Martin’s reaction was over the top.”

— Roy Keane, defending Keith Andrews, BBC

“Martin O’Neill’s wife has been diagnosed with cancer. The club’s thoughts are with them.”

— Nottingham Forest club statement, quoted in Belfast Telegraph

Martin O’Neill’s career is a study in resilience—on the pitch, in the dugout, and at home. By refusing to let sectarian labels define him, and by putting family before football, he has built a legacy that transcends trophies. For the people of Northern Ireland, the choice is clear: O’Neill is a unifying figure, or the man who walked away from Celtic to care for his wife. For football fans, the lesson is that success is measured not just in titles, but in the values you uphold.

For a detailed overview of his managerial journey and financial standing, see Martin ONeills career and net worth.

Frequently asked questions

What is Martin O’Neill’s net worth?

Martin O’Neill’s net worth is not publicly verified. Estimates vary widely, but his career as a top-level manager and player likely places him in the millions.

Did Martin O’Neill play for Northern Ireland?

Yes, he earned 64 caps for Northern Ireland as a player, captaining the team and playing in the 1982 World Cup.

Why did Martin O’Neill leave Celtic in 2005?

He left to care for his wife Geraldine, who had been diagnosed with lymphoma. The decision was announced on 25 May 2005.

Has Martin O’Neill managed in the Premier League?

Yes, he managed Leicester City, Aston Villa, and Sunderland in the Premier League.

Is Martin O’Neill still involved in football management?

As of 2026, reports suggest he may return to Celtic as permanent manager, though this is unconfirmed.

What famous players did Martin O’Neill manage at Celtic?

He managed Henrik Larsson, Neil Lennon, Stiliyan Petrov, and John Hartson, among others.

Did Martin O’Neill win any trophies as a manager?

Yes, he won the League Cup with Leicester City (twice), and three league titles and three Scottish Cups with Celtic.

How did Martin O’Neill react to his wife’s cancer diagnosis?

He stepped down from Celtic immediately, saying the decision was the easiest of his life. He later spoke about her ongoing battle with cancer in 2013.