For most teenagers, turning 18 means thinking about friends, exams, driving lessons, or what comes next after school.
For Bottlehill native Aidan O’Brien, turning 18 meant something much simpler and far more important.
Getting his life back.
Today, he is back at school and preparing for his Leaving Cert after receiving his second kidney transplant earlier this year, but behind that milestone lies a story of years spent between Cork University Hospital, Crumlin Children’s Hospital and Temple Street Children’s Hospital, learning dialysis procedures at home, compromised transplant, and two extraordinary acts of generosity from members of his own family. Since 2024, Aidan has been under the care of the Adult Nephrology team at Cork University Hospital.
His first donated kidney came from his uncle.
His second came from his aunt.
For Aidan’s father Steven, seeing his son return to school and begin planning for the future is something that once felt impossible.
“He is absolutely a new child,” he said.
“It’s all ancient history now. He’s back.”
Speaking to All About Cork, Steven described a battle stretching back more than a decade, one marked by hospital stays, home dialysis, compromised transplant and years of uncertainty.
In 2012, Aidan was diagnosed with a rare kidney disease.
At first, there was reassurance.
Doctors told the family that most children responded positively to treatment.
“Ninety percent of children will respond very positively to this and that will be the end of it,” Steven recalled.
Naturally, he and his wife Vicki asked what happened to the remaining ten percent.
“The answer was, ‘You don’t want to know.’”
Unfortunately, their son became part of that ten percent.
What followed was years spent between Cork University Hospital, Crumlin Children’s Hospital and later Temple Street Children’s Hospital while doctors tried everything possible to save what Steven described as Aidan’s “native kidneys”, meaning the kidneys he was born with. Aidan was under the care of Crumlin from 2012 until 2017, before continuing his treatment in Temple Street from 2017 until 2024.
Eventually, the disease progressed to such an extent that doctors had little choice.
His kidneys had to be removed.
Steven explained that his son’s immune system was effectively leaking through his kidneys and removing them became the only option.
“The only way to stop it was surgically removing them,” he said.
The operation stopped one problem but created another.
Without functioning kidneys, Aidan’s life depended on dialysis.
Steven remembers being given options no parent imagines facing.
Travel repeatedly to Dublin for treatment or learn how to perform dialysis at home.
Rather than spending years making endless journeys, Steven and his wife chose to learn.
“Myself and my wife Vicki learned it ourselves,” he said.
“We did an intensive three-week course in Crumlin and carried out home dialysis for a year and a half.”
Home became a place filled with routines, medical equipment and responsibilities most families never expect.
Like many parents would, Steven desperately wanted to donate one of his own kidneys to his son.
Testing ruled him out.
Then members of Vicki’s family stepped forward.
Her younger sisters Emily and Evelyn, who are identical twins, volunteered to be tested.
Emily’s husband Tommy Barrett came too.
What happened next surprised everyone.
“Would you believe Tommy, with no blood relation at all, was the best match?” Steven said.
In February 2017, Tommy donated a kidney to Aidan.
For the family, there was finally hope that years of uncertainty and medical treatment might be ending.
After everything they had been through, perhaps life would begin to feel normal again.
But only weeks after the transplant, the rare disease returned and attacked the donated kidney.
The devastation was enormous.
“We were devastated because of what Tommy had done and what Aidan had to go through,” Steven said while recalling that period.
Doctors continued trying to stop the progression of the disease over the following years but eventually the transplant didn’t work.
On October 28 last year, Aidan had to return to dialysis.
For the family, it meant going back into survival mode.
Once again, they needed a donor.
Once again, people stepped forward.
Steven tried for a second time.
This time doctors approved him medically.
Then came another obstacle.
“The good news is you can donate,” Steven remembered being told.
“The bad news is your kidneys are too big.”
The search continued.
Vicki’s sister Evelyn volunteered but was ruled out for medical reasons.
Then Emily stepped forward.
The same family who had already watched one member donate a kidney years earlier found themselves doing it all again.
On January 19 this year, in Beaumont Hospital, Aidan underwent his second transplant.
This time, his aunt was the donor.
For Steven, witnessing living organ donation changed the way he views generosity forever.
“I’ll tell you one thing, witnessing living organ donation is miraculous,” he said.
“The minute the living kidney goes in, it works straight away.”
The difference in Aidan, he says, was almost immediate.
“He only recently returned to school and is preparing for the Leaving Cert,” Steven explained.
“He’s back.”
The words may sound simple, but behind them sits 14 years of hospital rooms, dialysis machines, setbacks, uncertainty and the kind of waiting that quietly takes over family life when serious illness becomes part of everyday reality, all while trying to hold onto hope and carry on with ordinary life around extraordinary circumstances.
Despite everything, humour has survived too.
“We’ve a running joke now that Tommy and Emily are the kidney parents and they’ll claim ownership of him,” Steven laughed.
Behind the joke lies enormous gratitude.
“When I tell you this, two people who deserve all the luck in the world are Tommy and Emily for what they’ve done,” he said emotionally.
Their story also shines a light on a challenge affecting hundreds of Irish families.
More than 500 people are currently waiting for a kidney transplant in Ireland, making kidneys the most urgently needed organ donation in the country. Overall, more than 600 people remain on organ transplant waiting lists nationwide.
Kidney transplants from living donors can significantly reduce waiting times and often provide a faster route to treatment compared with deceased donor transplants.
Ireland carried out 263 organ transplants in 2024, thanks to both living and deceased donors.
After everything his family has experienced, Steven hopes others might think differently about donation.
“I’d really encourage people reading this, if you know someone who needs a kidney, look into living donation because what you are doing for someone is absolutely beyond words,” he said.
For Aidan and his family, those words are far more than advice, because after years of living through illness, compromised transplant and uncertainty, they understand better than most what an organ donation can mean to someone waiting for another chance.
After 14 years of fighting, two extraordinary acts of generosity from an aunt and uncle helped give an 18-year-old something priceless, not simply more time, but the chance to return to school, think about the future and begin living life again.
And for one Cork family, that future suddenly looks much brighter.
If you’d like to follow Aidan’s journey, you can read more on his blog here
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