Hannah Upp’s story is one of the strangest missing person cases in modern history. A bright, beloved teacher, she vanished multiple times under circumstances so bizarre they sound like the plot of a psychological thriller. And then, in 2017, she disappeared for good.
The First Vanishing – 2008, New York City
It started on August 28, 2008. Hannah, a 23-year-old teacher, left her apartment for a morning run and never returned. Her wallet, ID, and phone were still at home. CCTV footage later showed her casually wandering around an Apple Store and a Starbucks, looking perfectly at ease—but she had no idea who she was.
Then, nearly three weeks later, a ferry captain spotted something in the water near Staten Island. It was Hannah, barely alive, floating face down.
When she was pulled to safety, she had no memory of where she’d been or what had happened. Her last recollection? Heading out for a jog. In her mind, no time had passed at all. But in reality, she had been missing for 20 days.
Doctors diagnosed her with dissociative fugue, a rare and deeply unsettling condition where a person suddenly forgets who they are and may travel far from home, living under a new identity with no awareness of their past. It’s like the brain pressing a reset button—except the person has no control over it.
What Is Dissociative Fugue?
Dissociative fugue is one of the most mysterious psychological conditions known to science. It is classified as a dissociative disorder, meaning it involves a break in a person’s memory, identity, and perception of reality. While in a fugue state, a person may wander, assume a new identity, or behave in ways completely out of character—all while having no recollection of their past life.
The condition is often linked to extreme stress or trauma. Some experts believe the brain essentially “shuts down” as a defense mechanism, wiping out the memories that are too painful to bear.
Cases of fugue states are rare but not unheard of. One of the most famous cases involved a man named Ansel Bourne, a preacher in the 19th century who disappeared and turned up months later living as a completely different person, with no idea how he got there. In modern times, fugue states are often associated with people who have suffered severe emotional or physical trauma.
Hannah Upp’s case is particularly unusual because fugue states are typically one-time occurrences. The fact that she experienced multiple episodes—and ultimately disappeared permanently—makes her case one of the most perplexing in medical history.
It Happened Again – 2013, Maryland
After recovering, Hannah moved to Maryland to restart her life, becoming a teacher once more. But in September 2013, she vanished again. This time, she was missing for just two days before being found near a creek, confused and sunburned. Once again, she had no idea where she had been or what she had done.
The Final Disappearance – 2017, St. Thomas
By 2017, Hannah was living in the U.S. Virgin Islands, teaching in the tropical paradise of St. Thomas. Life seemed to be on track—until disaster struck.
As Hurricane Irma approached, Hannah vanished yet again. Her car was later found abandoned near a beach, her keys left on the bar of a local resort. Her friends searched desperately, but she was gone without a trace.
This time, she never came back.
Where Did Hannah Go?
Authorities scoured the island, helicopters swept the coastlines, divers explored the waters. But Hannah Upp was never seen again.
Some believe she drowned, possibly caught by the hurricane’s deadly currents. Others suspect she entered another fugue state and disappeared into the world under a new identity, unaware of her past life. Given that the condition causes memory loss and confusion, it’s entirely possible she simply walked away from her known existence, blending into a new life without realizing she was missing.
Even more eerie, Hannah had expressed fears about her fugue episodes. In the years leading up to her disappearance, she had told friends she was afraid she might one day slip into another fugue state and not come back. Her words now seem chillingly prophetic.
Her mother still holds out hope, believing that Hannah might one day reappear, dazed but alive, as she had before. But as the years pass, the mystery only deepens.
Did Hannah meet a tragic fate—or is she still out there, wandering somewhere, completely unaware of who she once was?