Name from baptism record of son, Sidney James Wilson, found in October 2023:
Father: Frederick Thomas Wilson
Mother: Florence Wilson

Age, occupation, place of birth, estimated year of birth, from the 1891 England Census taken on the night of 5 April 1891 for the Civil parish of Sheffield, Essex, England, found in October 2023:
House: Middleton Hall Lane
Frederick Wilson, Head, Married, age 25, Brewers Assistant, Born Brentwood Essex England [circa 1866]
Florence M Wilson, Wife, Married, age 24, Born Maldon Essex England [circa 1867]
Sidney Wilson, Son, Single, age 4, Born Maldon Essex England [circa 1887]
Thomas Wilson, Son, age 2, Born Sheffield Essex England [circa 1889]

Entry from the 1901 England Census taken on the night of 31 March 1901 for the Civil parish of Brentwood, Essex, England, found in October 2023:
House: Railway Square
Frederick Wilson, Head, Married, age 35, Brewers Assistant, Born Brentwood Essex England [circa 1866]
Florence M Wilson, Wife, Married, age 35, Born Maldon Essex England [circa 1866]
Sidney Wilson, Son, Single, age 14, Page Boy, Worker, Born Maldon Essex England [circa 1887]
Thomas Wilson, Son, age 12, Born Brentwood Essex England [circa 1889]
Daisy M Wilson, Daughter, age 4, Born Brentwood Essex England [circa 1897]
May Wilson, Daughter, age 2, Born Brentwood Essex England [circa 1899]

Exact date of birth, name of parents, found in Birth Record received from the 'General Register Office (GRO) for England and Wales in January 2024. Please see PDF for copy.
Name: Frederick Thomas Wilson
When Born: 6th January 1866 at Brentwood [Essex, England]
Name of Father: James Wilson
Name and Maiden Surname of Mother: Lucy Wilton, formerly Walford
Rank or Profession of Father: Labourer in a Brewery
Informant: The mark of James Wilson, Father, Brentwood