Mary Ann
Robson was born in 1822, in the pit village of East Rainton,
near Durham. At the age of twenty, she became Mrs William
Mowbray; after a couple of years in Newcastle-upon-Tyne,
they moved south to Cornwall, where Mowbray worked as a
nanny and Mary Ann devoted herself to producing five
children. Of these, the four sons died in infancy, victims
of 'gastric fever' so it was said. The surviving Mowbrays
returned to Durham, where the fifth child, a girl, succumbed
to the same 'gastric fever'. Then William Mowbray died
unexpectedly of diarrhoea, not long after taking out a
sizeable insurance.
Mary Ann made a fresh start at Seaham with a new husband,
George Ward. Was it just bad luck that George died fourteen
months later of 'gastric fever'? Within weeks, the widow
Ward had taken up new responsibilities as housekeeper to
John Robinson, a shipwright, and his five children. The
scope of Mary's duties was obviously broad, for she quickly
became pregnant and even more quickly became Mrs Mary Ann
Robinson.
Tragedy, it seemed, still pursued this unfortunate woman.
Already one of the Robinson children had contracted a fatal
dose of 'gastric fever' and in 1867 three more children
died. John Robinson, it must be recorded, was lucky. Like
his predecessors, he too might have lost his life; as it
was, Mary Ann simply helped herself to his savings and fled.
The next stop was Walbottle, where Mary met Mr Frederick
Cotton and his sister Margaret. When, some months later,
Mary was once again expecting a child she married Cotton
(bigamously, for John Robinson was still alive) at St
Andrew's church, Newcastle. She now bore the name which was
to become notorious - Mary Ann Cotton.
Margaret Cotton, the sister, went down with 'gastric fever'
and died shortly before her brother's wedding. She had
thoughtfully left her savings to Frederick and Mary.
Now a significant number of pigs belonging to Mary Ann's
neighbours mysteriously began to die, and those uncharitable
farmers began to point an accusing finger in Mary's
direction; indeed, such was the acrimony over the deceased
pigs that the Cottons - Frederick, Mary Ann, two offspring
of Cotton's earlier marriage and Mary's baby - found it wise
to remove to West Auckland.
Once settled, the family rapidly decreased in number;
Frederick was the first loss, on 19 September 1871. He was
followed into the grave by Mary's ten-year-old stepson
Frederick and her fourteen-month-old baby Robert. Joseph
Nattrass, a lodger who had been imprudent enough to become
Mrs Cotton's lover, and unwise enough to make a will in her
favour, became the fourth victim of 'gastric fever', not
inappropriately on April the First.
This left only little Charles Edward, a stepson, who had
managed to survive the 'illnesses' to attain his seventh
birthday. He would never see his eighth; on 12 July 1872 he
died.
Mary Ann was arrested when a post-mortem on the body of this
latest victim of 'gastric fever' revealed abnormal traces of
arsenic. Exhumation was ordered for the four previous
victims, and examination by Dr Thomas Scattergood, lecturer
in forensic medicine and toxicology at Leeds Medical School,
proved that they too had met their end through arsenical
poisoning.
It was for Charles Edward's murder only that Mary Ann Cotton
was tried at the Durham Assizes in March 1873. Her defence,
advanced on her behalf by Mr Thomas Campbell Foster, was
that her stepson had been accidentally poisoned by some
wallpaper in his bedroom, the green pigment of which was
derived from arsenic. And it is a defence that stood at
least a chance of succeeding had not evidence of the four
previous poisonings been deemed admissible in order to
refute the proposition of accidental death.
On the third day of the trial, the jury retired to consider
their verdict. It was barely an hour before that decision
had been reached and the judge, from beneath the black cap,
had intoned the sentence of death.
Mary Ann Cotton died on the scaffold at Durham County Gaol
at 8 a.m. on Monday 24 March 1873. Already her infamy was
assured; already the children in the streets had
immortalised her name in rhyme:
Mary Ann
Cotton
She's dead and she's rotten
She lies in her bed
With her eyes wide oppen [sic].
Sing, sing, oh, what can I sing?
Mary Ann Cotton is tied up wi' string.
Where, where? Up in the air
Sellin' black puddens a penny a pair.
This bio was taken from "The Encyclopedia of
Serial Killers," by Brian Lane and Wilfred Gregg.
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