On the edge of Kinsale Harbour in County Cork stands Charles Fort – an imposing 17th-century fortress whose quiet position overlooking the water can give a false sense of calm.

The site itself predates the structure we see today, having played a role in the Siege of Kinsale. Construction of the present fort began around 1677, designed by Sir William Robinson, the architect behind Royal Hospital Kilmainham. Built to the most advanced military principles of the time, its distinctive five-pointed star design was intended to defend against seaborne attack, though it would later prove less effective against threats from land.

Named in honour of King Charles II, the fort was completed in 1682 and would go on to serve as a British garrison for over two centuries. It played a role in some of the most turbulent periods in Irish history before being burned during the Irish Civil War. Restored in the decades that followed, it has stood as a National Monument since 1973 and remains one of the most visited sites in the region.

But when the visitors leave and the sound of voices falls away, the atmosphere changes.

According to the old accounts, the fort was once under the command of a widower known as Colonel Warrender – a disciplined and respected officer, but a man known for his severity. His only daughter, Wilful, lived with him at the fort. She was described as strong-willed and full of life.

In time, she fell in love with a soldier stationed there, and the two were married.

Within hours, everything would unravel.

On their wedding night, the couple walked together along the ramparts, the sea stretching out below them. Wilful noticed flowers growing among the rocks beneath the walls and expressed a wish to have one. A guard offered to climb down and retrieve it, on the condition that her husband would take his place on watch.

It was a simple exchange, made in kindness.

Wilful returned to their quarters, expecting her husband to follow shortly. But the climb proved more difficult than expected, and time passed. The night was still. And the young soldier, exhausted from the day, fell asleep at his post.

Later that night, the commander made his rounds. Seeing what he believed to be a guard asleep on duty, his anger was immediate. He called out, demanding the man stand. There was no response. Without hesitation, he drew his pistol and fired. Only as he approached did he realise what he had done. This was not a negligent guard. It was his daughter’s husband – his new son-in-law – and he was now dead by his own hand.

When Wilful learned what had happened, the weight of it was unbearable. Widowed on her wedding night, and by her father’s actions, she was consumed by grief. In her despair, she threw herself from the battlements.

Her father, overcome with guilt, took his own life that same night.

In the years that followed, reports began to emerge of a woman in white wandering the fort. Many believe this is Wilful. She is most often seen ascending the stairs of the building she once shared with her father, dressed in a flowing white gown, before vanishing moments later.

One of the earliest accounts comes from a Fort-Major, a veteran of the Peninsular War and not a man given to superstition. He recalled going to the hall door one summer evening when he noticed a woman entering the building and making her way upstairs. Assuming she was the wife of one of the officers, he followed, but something made him look again. Her dress was white, and cut in a style that belonged to another time entirely. He kept close behind her until she entered one of the rooms. When he stepped inside moments later, the room was empty. There was nowhere she could have gone.

Most witnesses describe her as a calm and gentle presence, particularly around children. A nursemaid once saw her standing over the bed of a sleeping child, while on another occasion a young child asked their father who the lady in white smiling down at them was.

But there are other accounts.

Some suggest that whatever remains of Wilful carries the anger of her final moments, particularly towards men in uniform. A Captain named Jarves reported being drawn to his bedroom by a strange rattling sound, only to find the door seemingly locked from within. As he called out, a sudden rush of cold air passed him, and before he could react, an unseen force seized him and threw him down a staircase. He was later found unconscious. In 1922, the fort’s medical officer reported being dragged from outside his room and hurled down the stairs. During the assault, he claimed to have caught sight of a young woman in a wedding dress. A year later, another officer experienced the same.

The White Lady is not the only presence said to linger within the walls of Charles Fort. The fort served as a military garrison for more than two hundred years, and many deaths occurred here during that time. Disembodied marching has been heard where no soldiers stand. Figures in period uniform have been seen on the ramparts. Unexplained activity has been reported within the old barracks.

More recent accounts continue to surface. One local man, out running near the fort, stopped to tie his shoelace. As he steadied himself against the wall, he felt another hand interlock with his – though he was completely alone. On another occasion, a woman in white was seen watching from the ramparts on New Year’s Eve, long after the site had closed.

And in a quieter, almost forgotten detail attached to the fort, guards once spoke of a white rabbit that would sometimes appear during the night. The small animal would approach those struggling to stay awake at their posts and rouse them before slipping away into the darkness.