Name, estimated year of birth, from the 1881 England Census taken on the night of 3 April 1881 for the Civil Parish of St Giles on the Heath, Devon, England, found in March 2023:
Address: Tetcott
John Westlake, Head, Married, age 34, Stone Mason, born St Giles in the Heath [Born circa 1847]
Amelia Westlake, Wife, Married, age 31, born Northcott Hamlet Devon [Born circa 1850]
Walter W Westlake, Son, age 8, Scholar, born Boyton Cornwall [Born circa 1873]
John Westlake, Son, age 6, Scholar, born Boyton Cornwall [Born circa 1875]
Amelia H Westlake, Daughter, age 5, Scholar, born Boyton Cornwall [Born circa 1876]
Mary L Westlake, Daughter, age 7 months, born Northcott Hamlet Devon [Born circa September 1880]
Ann Walters, Daughter-in-law, age 11, Scholar, born Northcott Hamlet Devon [Born circa 1870]

Name of wife and children from the 1901 England Census taken on the night of 31 March 1901 for the Civil Parish of St Stephens, in the Rural District of St Austell, Cornwall, England, found in March 2023:
John Westlake, Head, Married, age 27, Mason Stone, Employer at home, born Boyton Cornwall [Born circa 1874]
Susan Westlake, Wife, age 27, born Egloshayle Cornwall [Born circa 1874]
Samuel Westlake, Son, age 3, born Egloshayle Cornwall [Born circa 1898]
Winnifred Westlake, Daughter, age 1, born Egloshayle Cornwall [Born circa 1900]
John Westlake, Boarder, age 53, Mason, Worker born St Giles in the Heath [Born circa 1848] [NOTE: This John Westlake is the father of John Westlake, Head of the Household].

Name, estimated year of birth, from the 1891 England Census taken on the night of 5 April 1891 for the Civil Parish of St Giles in the Heath, Devon, England, referred to by Katia, wife of Tim Grant Oliver, in an email dated 6 March 2023.
(Tim Oliver is a x3 great grandson of James and Ruth Oliver, his grandfather being Ivor James Clark Oliver 1907-1989).
Address: Titcott
John Westlake, Servant, age 17, Farm Servant, born Boyton Cornwall [Born circa 1874]

Date of marriage from the Cornwall Egloshayle Marriage records found in March 2023:
Groom: John Westlake
Groom Age: 24
Groom Estimated Birth: circa 1872
Groom Occupation: Mason
Groom Father: John Westlake, Mason
Bride: Susan Davey
Bride Age: 23
Bride Estimated Birth: circa 1873
Bride Occupation: Domestic Servant
Bride Father: Humphry Davey, Labourer
Marriage Date: 5 December 1896
Marriage Place: Egloshayle, Cornwall, England
Witnesses: John Westlake, Annie Westlake

A different wife, been married for five years, therefore second marriage circa 1906, from an image of the 1911 England Census taken on the night of Sunday, 2 April 1911 for the Civil Parish of St Stephen in Brannel, Cornwall, England, referred to by Katia, wife of Tim Grant Oliver, in an email dated 6 March 2023:
John Westlake, Head, Married, age 37, Present Marriage 5 years, No children to this marriage, Mason, born Boyton Bridge Cornwall [Born circa 1874]
Mary Westlake, Wife, age 50, born Cardinham Cornwall [Born circa 1861]
Samuel Westlake, Son, age 14, born Egloshayle Cornwall [Born circa 1897]
Winnifred Westlake, Daughter, age 12, born Egloshayle Cornwall [Born circa 1899]
Albany Westlake, Son, age 10, Mason, Worker born St Giles in the Heath [Born circa 1901]

Date of birth, now widowed again, from an image of the 1939 England and Wales Register for St Austell Rural District, Cornwall, England, referred to by Katia, wife of Tim Grant Oliver, in an email dated 6 March 2023:
Westlake John, Male, born 13 August 1874, Widow, Farm Labourer

Month/year of death from the England and Wales Civil Registration Death records found in March 2023:
Name: John Westlake
Death Age: 70
Estimated Birth Year: 1874
Birth Date: circa Apr-May-Jun 1944
Registration District: St Austell, Cornwall