Dec Donnelly: Age, Family, Net Worth and Brother’s Death

You’ve seen him on your screen for decades—grinning beside Ant McPartlin, handing a crown to this year’s I’m a Celebrity winner. But behind the easy smile, Declan Donnelly has carried a weight that few of his millions of viewers knew about: in July 2022 his older brother, Father Dermott Donnelly, died after a short illness, leaving him “heartbroken.”

Age: 49 (as of 2024) ·
Children: 1 ·
Spouse: Ali Astall (m. 2015) ·
Height: 1.75 m ·
Years Active: 1989–present

Eight key facts, one pattern: Dec Donnelly’s public biography is well-documented, but the personal toll of his brother’s death remains a quieter story.

How many children does Dec Donnelly have?

• Declan Donnelly has one child, a daughter named Isla Elizabeth Anne Donnelly, born in September 2018 (Wikipedia).
• He married Ali Astall, his manager at the time, on 1 August 2015 in a ceremony in Newcastle (Wikipedia).

Who is Dec Donnelly’s wife?

Ali Astall worked as a makeup artist and later became Dec’s manager. The couple have been together since around 2011 and live in London with their daughter.

What happened to Dec Donnelly’s brother?

The most documented personal tragedy in Donnelly’s life is the death of his older brother, Father Dermott Donnelly, in July 2022.

• Dermott Donnelly, a Catholic priest for 30 years, died in hospital at age 55 after a short illness (BBC News (UK public broadcaster)).
• The death was announced on 8 July 2022; Dec said he was “heartbroken” (BBC News).
• Some reports stated Dermott collapsed on Thursday evening and died peacefully in hospital on Friday (Yahoo News).
• The Catholic Herald reported the cause as a sudden brain haemorrhage (The Catholic Herald).
• Dec paid tribute at the funeral; the family told mourners they “can’t believe he’s gone” (The Independent).

“I’m heartbroken to tell you that my brother, Father Dermott, has died. He was a wonderful man and a truly devoted priest.”

— Declan Donnelly, via BBC News

“The family ask that you respect their privacy at this terrible time. They can’t believe he’s gone.”

— Family statement, reported by The Independent

The implication: Dec’s grief remains a largely private affair, surfacing only in carefully chosen public moments.

What health condition does Declan Donnelly have?

Dec Donnelly has spoken openly about struggling with constant anxiety, a condition he discussed in a 2023 RTE interview. While no medical record has been made public, the admission marked a rare personal disclosure.

• Declan Donnelly stated in a 2023 RTE interview that he suffers from constant anxiety (no direct source available; widely reported by media).
• His presenting partner Ant McPartlin has also dealt with addiction and anxiety, which led to a hiatus from television.

Does Dec Donnelly have anxiety?

Yes, self-reported. He told RTE in 2023 that he experiences constant anxiety, though he did not provide specific triggers or treatment details.

What illness does Ant McPartlin have?

Ant has publicly battled addiction and has spoken about anxiety. He took a break from I’m a Celebrity in 2018 to seek treatment.

Are Ant and Dec billionaires?

No. The duo are multi-millionaires, not billionaires. Their combined net worth is often estimated but exact figures are difficult to verify.

• Dec Donnelly’s personal net worth is estimated at around £62 million by multiple sources, though exact verification is not possible (Wikipedia).
• They are among the highest-paid TV presenters in the UK, with reported earnings of about £1.5 million per series of I’m a Celebrity…Get Me Out of Here! (reported by various media).

The pattern: consistent high income from long‑running television contracts builds wealth, but exact figures remain private.

How old is Dec Donnelly?

• Declan Joseph Oliver Donnelly was born on 25 September 1975 in Newcastle upon Tyne, England (Wikipedia).
• He is 49 years old as of 2024.
• His height is 1.75 m (5 ft 9 in) (Wikipedia).

What is Dec’s real name?

His full name is Declan Joseph Oliver Donnelly. He has used the stage name “Dec” since his early days on Byker Grove.

Timeline: Key dates in Dec Donnelly’s life

• 25 September 1975 – Born in Newcastle upon Tyne (Wikipedia)
• 1989 – Meets Ant McPartlin on the set of Byker Grove (Wikipedia)
• 2002 – Begins hosting I’m a Celebrity…Get Me Out of Here! (Wikipedia)
• 1 August 2015 – Marries Ali Astall (Wikipedia)
• September 2018 – Birth of daughter Isla Elizabeth Anne Donnelly
• 8 July 2022 – Brother Dermott dies after short illness (BBC News)
• 2023 – Dec opens up about his anxiety in an RTE interview (no direct source available)

The catch: the 2023 anxiety disclosure is self‑reported and lacks independent verification, so it sits in the unclear category.

Clarity: What’s confirmed and what’s still uncertain

For Dec Donnelly, the balance between fame and family is now weighted by loss. Those who follow his career will see a professional who continues to deliver, but the private man is still processing a brother’s sudden goodbye. The choice for audiences is simple: respect the boundary, or remember that the entertainer is also human.

His career achievements are well-documented, but Dec Donnellys family and net worth offers a closer look at his family and financial background.

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