Minnie Dean: The Baby Killer And The Only Woman To Be Executed In The History Of New Zealand.
Updated: Aug 12

Minnie Dean is remembered today, when she's remembered at all, mostly as a monster: a woman who took in unwanted babies for money and quietly killed some of them, caught out by a suspiciously heavy hatbox on a train. That's the version of the story that made it into folk songs and playground threats for the next century. What tends to get left out is that police had been watching her on and off for more than five years before her arrest, that two earlier inquests into deaths in her care had already cleared her, and that more than a century later a serious biographer went back through the case and came away genuinely unsure whether the right verdict was reached.

From Greenock to Winton
Williamina "Minnie" Dean was born in Greenock, Scotland, on September 2, 1844. Her father was a railway engineer, and her mother died of cancer when Minnie was 13. She emigrated to New Zealand sometime in the 1860s, arriving in Invercargill claiming to be the widow of a Tasmanian doctor, though no record of that marriage has ever turned up. In 1872 she married Charles Dean, an innkeeper, and the couple ran an inn together at Etal Creek until the gold rush traffic that sustained it dried up. They tried farming next and went bankrupt in the depression of the 1880s, which is what eventually pushed them to Winton, Southland, where they bought a rundown property called The Larches.
Charles turned to pig farming there while Minnie found steadier income running what the era called a baby farm: taking in other people's infants, usually born outside marriage, for a weekly fee. The couple had no children of their own, but they'd already adopted two girls, Margaret Cameron in 1880 and Esther Wallis a decade later, both of whom grew up at The Larches helping care for the younger children who passed through, and both of whom would later be called to identify bodies and give evidence at Minnie's trial.

Years of Suspicion Before the Arrest
Baby farming wasn't illegal, and in a society with no state support for unmarried mothers and brutal social stigma attached to illegitimacy, it filled a real need. Dean took in children for fees of five to eight shillings a week, or lump sums of ten to thirty pounds for permanent placements, and at times cared for as many as nine at once. The trouble is that children in her care kept dying. In October 1889, a legally adopted six-month-old named May Irene Dean died after three days of convulsions. In March 1891, a six-week-old in her care, Bertha Currie, died of what doctors recorded as heart and lung inflammation. Both times, coroners' inquests concluded the deaths were natural, though they also flagged that The Larches was overcrowded and urged Dean to take in fewer children. In August 1893, police came closer than they realised to catching her before another death occurred: a Christchurch boarding house owner alerted them after noticing Dean had acquired a three-week-old baby during her stay, and the detective who intervened removed the child on the spot, writing afterward that he believed she would have killed or abandoned it before she'd even reached Dunedin.
Existing child welfare law gave police no right to inspect Dean's property or demand records, so despite years of watching her, that near miss in 1893 was as close as they got until 1895. The pattern of unexplained infant deaths around a paid carer echoed baby farming scandals already notorious in Britain and Australia, among them the case of Amelia Dyer, and newspapers of the day were quick to draw the comparison.
The Hatbox
The case that ended Dean's freedom began on May 2, 1895, when she was seen boarding a train carrying an infant and a hatbox and got off carrying only the hatbox, which porters noted seemed unusually heavy. A woman named Jane Hornsby came forward soon afterward, saying she'd handed her one-month-old granddaughter, Eva, to Dean's care. When police searched Dean's home they found the missing child's clothing but no sign of the baby, and a search of the garden at The Larches turned up three small bodies: two infant girls and the skeleton of a young boy. An inquest found that Eva Hornsby had suffocated, and that a second infant, one-year-old Dorothy Edith Carter, had died from an overdose of laudanum, an opiate routinely used at the time to sedate fussy children. The cause of the boy's death couldn't be established. The coroner's jury returned a verdict that one biographer later called almost unprecedented for the period: wilful murder by Mrs Dean, naming the suspect directly before any trial had taken place.

The Trial
Minnie Dean was tried at the Supreme Court in Invercargill from June 18 to 21, 1895, charged specifically with the murder of Dorothy Carter, since only one charge was typically pursued at a time under the practice of the day. She never took the stand in her own defence. Her lawyer, the young Dunedin barrister Alfred Hanlon, argued in an impassioned closing address that the deaths had been accidental, and that Dean had concealed them only to protect her business from the kind of adverse publicity she'd already suffered once the earlier inquests became public. It reportedly won applause in the courtroom. It didn't win the jury. The trial judge, Justice Joshua Strange Williams, gave the jury a pointed summing up the following morning, effectively warning them off a manslaughter verdict as an unsatisfactory compromise. They retired at half past noon and came back barely thirty minutes later with a verdict of murder. Dean was sentenced to death by Chief Justice Edward Prendergast on the spot, making her the only person in New Zealand's history to be sentenced to hang for the murder of a child in someone else's care, and the only woman sentenced to death under New Zealand law at all.
A Failed Appeal
Hanlon didn't let it end there. He applied for leave to appeal to the Court of Appeal, arguing the trial judge had wrongly allowed evidence about the earlier, uncharged infant deaths to be put before the jury, prejudicing them against Dean before they'd even weighed the actual charge. On August 7, 1895, five days before the scheduled execution, the Court of Appeal rejected the application, ruling that the evidence was properly relevant to establishing intent. A petition for clemency to the executive went nowhere either. There would be no reprieve.

The Condemned Cell
In the roughly seven weeks between her sentencing and her execution, Dean sat in the condemned cell at Invercargill Gaol and wrote a 49-page account of her own version of events and of her life's work. In it she claimed to have cared for 28 children altogether: five were in good health and still in her care when police raided her home, six had died, and one had been reclaimed by their birth parents. By her own arithmetic, that left roughly fourteen children unaccounted for, a gap she never satisfactorily explained and one prosecutors had separately suggested could run to as many as seven additional deaths beyond the ones actually charged.

The Gallows
Minnie Dean was hanged at Invercargill Gaol at eight o'clock on the morning of August 12, 1895. The gallows itself was a quarter-century-old wooden structure brought down specially from Dunedin for the occasion. Her executioner was Tom Long, an Irish-born government hangman who'd later boast in a newspaper interview of having carried out fifteen executions in New Zealand and hundreds more in India before that; he died in 1908 in a tree-felling accident. Witnesses described Dean walking to the gallows without faltering, casting a contemptuous look at Long before positioning herself to make his job easier. Asked for any last words, she said only that she had nothing to express except her innocence. She was buried at Winton Cemetery, and when her husband Charles died in a house fire in 1908, he was buried beside her.
Souvenirs and Songs
The case turned into something closer to a moral panic than a straightforward crime story almost immediately. Dolls packed into miniature hatboxes were reportedly sold as grim souvenirs outside the Invercargill courthouse during the trial itself. Decades later, the folk singer Phil Garland wrote a ballad about her that entered New Zealand's oral folklore, and a widely repeated children's threat, essentially "behave, or Minnie Dean will get you," outlived almost every accurate fact about the actual case. Myths accumulated too: that she killed infants with hatpins, that nothing would grow on her grave. Her story was dramatised again in 1985 as the opening episode of Hanlon, a television series about her own defence lawyer's career, and has since been reworked into at least two novels. Her defining legal legacy was more concrete: the case fed directly into New Zealand's Infant Life Protection Act 1893 and the tighter Infant Protection Act of 1896, both aimed at bringing real oversight to informal adoption and paid childcare arrangements that had previously operated with none.
Was the Verdict Right?
Not everyone who has looked closely at the case since has come away certain Dean was a calculating killer rather than a woman who covered up accidental deaths out of fear and desperation. The historian Lynley Hood spent years researching her definitive 1994 biography, Minnie Dean: Her Life and Crimes, and concluded that the coroners' inquests leading up to the trial had effectively primed the press, the public, and eventually the jury to see Dean as a mercenary serial killer well before any court had properly tested the evidence. It's not a case of anyone claiming she was plainly innocent, and the evidence against her, especially in the Carter case, was serious. But it's also true that under cross-examination, the woman who'd handed Dorothy Carter over admitted that despite a financial agreement being in place, Dean had actually received no payment for the child at all, a detail that sits awkwardly with the purely mercenary motive the prosecution leaned on. The same features that made her an easy villain, a business built on the secrecy and shame surrounding illegitimacy, a hatbox, dead infants in a garden, also made her close to impossible to try fairly once the story had already spread. That tension between public certainty and courtroom evidence isn't unique to Dean's case. It shows up again, decades later and an ocean away, in the trial of Mary Surratt, the first woman executed by the United States government, whose own guilt is still argued over more than 150 years later.
The Grave That Grew Nothing
For over a century, Dean's grave at Winton Cemetery sat unmarked, and local legend held that nothing would grow on it. It stayed that way until 2009, when an unofficial headstone mysteriously appeared, later replaced with a proper marker placed by one of her descendants. Its unveiling drew around a hundred people and was framed, deliberately, around forgiveness and reconciliation rather than the crime itself, a quiet coda to a case that spent 114 years being treated as anything but forgivable.
Sources
5. The mystery of Minnie Dean: Was the only woman executed by law in New Zealand innocent? - NZ Herald
















































































