First given name, initial of second given name, maiden name, month/year of marriage, name of wife, from the England and Wales Civil Registration Marriage records found in March 2023:
Groom: Ernest R Westlake
Bride: Ethel I Crews
Registration Date: Apr-May-Jun 1916
Registration District: St. Columb, Cornwall

Date of birth from the 1939 England and Wales Register for St Austell, Cornwall found in March 2023:
Address: Trelavour Downs, St Austell, Cornwall
Ernest R Westlake, Male, born 16 July 1891, Married, Small Farmer
Ethel I Westlake, Female, born 4 April 1891, Married, Unpaid Domestic Duties
John C Westlake, Male, born 22 June 1919, Single, China Clay Labourer - Heavy Worker
Gladys I Westlake, (Gladys I Cawrse), Female, born 20 October 1920, Single, Unpaid Domestic Duties
Dennis Henry Westlake, Male, born 16 March 1924, Single, China Clay Labourer - Heavy Worker

Second given name from England and Wales Birth records found in March 2023:
Name: Ethel Irene Crews
Registration Date: Apr-May-Jun 1891
Registration Place: St Columb, Cornwall, England

Month/year of death from the England and Wales Civil Registration Death records found in March 2023:
Name: Ethel I Westlake
Death Age: 76 [Born circa 1891]
Registration Date: Oct-Nov-Dec 1967
Registration District: St Austell, Cornwall