Approximate year of death of 1883/84, “His mother died when he was three years of age…”, from page 1 of the biography of her son, Ben Roberts:
“Remembered - From Ploughboy to Parliamentarian, The life and works of the Hon. Ben Roberts, Minister of Agriculture and Marketing 1943-46”.

First given name of “Margaret”, age, place of birth, estimated year of birth, from the 1881 England Census taken on the night of 3 April 1881 for the West Derby Parish, Liverpool, found in September 2023:
House: 21 Ash St
William Roberts, Head, Married, age 41, Occupation Railway Goods Guard, Born Worthenbury North Wales [circa 1840]
Margaret Roberts, Wife, Married, age 40, Born Eccleston Lancashire England [circa 1841]
John Roberts, Son, age 11, Scholar, Born West Derby Liverpool England [circa 1870]
William Roberts, Son, age 7, Scholar, Born West Derby Liverpool England [circa 1874]
Joseph Roberts, Son, age 4, Born West Derby Liverpool England [circa 1877]
Benjamin Roberts, Son, age 1, Born West Derby Liverpool England [circa 1880]

Entry in the 1871 England Census taken on the night of 2 April 1871 for the West Derby Parish, Liverpool, Lancashire, found in September 2023:
House: 21 Ash St
William Roberts, Head, Married, age 32, Railway Guard, Born Hanmer Flintshire Wales [circa 1839]
Margret [sic] Roberts, Wife, Married, age 30, Born Eccleston Lancashire England [circa 1841]
Eliza Roberts, Daughter, age 4, Born Liverpool [circa 1867]
John Roberts, Son, age 2, Born Liverpool [circa 1869]
James Pollet, Lodger, Engine Driver, Unmarried, age 24
Robert Roberts, Lodger, Stoker, Unmarried, age 21

Maiden name from the Liverpool, England, Church of England Marriage Records found in September 2023:
Marriage Date: 21 November 1866
Marriage Place: St Mary's Church, Edge Hill, West Derby, Lancashire, England
Groom: William Roberts
Groom's Marriage Age: 28, Widower [Born circa 1838]
Groom's Profession: Railway Guard
Groom's Residence: 1 Arrow Street
Groom's Father: Thomas Roberts
Groom's Father's Occupation: Carter
Bride: Margaret Beesley
Bride's Marriage Age: 26, Spinster [Born circa 1840]
Bride's Residence: 2 Pakington Street
Bride's Father: John Beesley
Bride's Father's Occupation: Painter, deceased

Approximate date and place of death from the England and Wales Civil Death records found in September 2023:
Name: Margaret Roberts
Age: 43 [Born circa 1841]
Death Registration Quarter: Jan-Feb-Mar 1884
Death Registration Place: West Derby, Lancashire, England

Ten-year old girl living with mother (father deceased) and siblings as per the 1851 England Census taken on the night of 30 March 1851 for the Eccleston Parish, Lancashire, England, found in September 2023:
House: 45 Lane Ends
Ellen Beesley, Head, Widowed, age 39, Flour Dealer, Born Eccleston Lancashire England [circa 1812]
Rachael Beesley, Daughter, Unmarried, age 15, Born Eccleston Lancashire England [circa 1836]
Margret Beesley, Daughter, age 10, Born Eccleston Lancashire England [circa 1841]
James Beesley, Son, age 9, Scholar, Born Prescott Lancashire England [circa 1842]
John Beesley, Son, age 7, Born Prescott Lancashire England [circa 1844]
Elizabeth Beesley, Daughter, age 6, Scholar, Born Eccleston Lancashire England [circa 1845]
Mary Beesley, Daughter, age 4 Born Eccleston Lancashire England [circa 1847]

A closer estimate of month/year when Margaret was born, from the 1841 England Census taken on the night of 6 June 1841 for the Prescot Parish, West Derby, Lancashire, England, found in September 2023:
House: Lane Ends
John Beesley, Painter, age 25, Born Prescott Lancashire England [circa 1816]
Ellen Beesley, age 25, Born Prescott Lancashire England [circa 1816]
Rachel Beesley, age 5, Born Prescott Lancashire England [circa 1836]
Elizabeth Beesley, age 4, Born Prescott Lancashire England [circa 1837]
Margret Beesley, age 10 Months, Born Prescott Lancashire England [circa October 1840]

Full date of birth of 5 August 1840, place of birth of Eccleston confirmed, parents names confirmed, occupation of father confirmed, from Birth Record received from the 'General Register Office (GRO) for England and Wales' in October 2023. Please see PDF for copy.
Name: Margaret
When Born: 5 August 1840 at Eccleston
Name of Father: John Beesley
Name and Maiden Surname of Mother: Ellen Beesley formerly Shuttleworth
Rank or Profession of Father: Painter
Informant: John Beesley, Father, Eccleston

Full date of death of 27 January 1884, place of death at home at 67 Needham Road, West Derby, cause of death of disease of brain, from Death Record received from the 'General Register Office (GRO) for England and Wales' in October 2023. Please see PDF for copy.
Name: Margaret Rioberts
When and Where Died: 27 January 1884, 67 Needham Road, West Derby
Age: 43
Rank or Profession: Wife of Christian William Roberts, a Goods Guard
Cause of Death: Disease of brain
Informant: C W Roberts, Widower of deceased present at death 67 Needham Road, West Derby.