James Cock married Ann Harvey Redruth Cornwall, 1879 : Q3 5C 257

In the UK 1881 Census they are living at 10 Church Town, Gwothian
James Cock, Head, Married, 26 (1855) an Agricultural Labourer born Gwithian, Cornwall
Ann, wife, 25 (1857) Labourers wife born Phillack, Cornwall
William, son, 1 (1880)Gwithian

There are 3 births for Ann Harvey in Cornwall between 1855 and 1858 but only one registered in Redruth which as her marriage was registered there must have been there closest registration area

Ann Harvey, Redruth, Cornwall, 1856, Q3 5C 274

There is this Ann Harvey born in Phillack

born 20 Dec 1857
bap 21 Feb 1858
Phillack Cornwall

Father Thomas occupation Artisan
mother Mary

Information available on http://www.cornwall-opc-database.org

you will need to cross check the details with the marriage certificate and William's birth certificate.

This could possibly be the Baptism for William from Cornwall OPC

More information about record 1427584 in the Baptisms database
Day Month 18-Feb
Year 1880
Parish Or Reg District Gwithian
Forename William Thomas
Surname COCK
Sex
Father Forename James
Mother Forename Ann
Residence Church Town
Father Rank Profession Labourer
Notes Born 15 Nov 1879
Transcriber Notes
Transcriber John Smith

In 1891 Census looks like James & Ann have four more children all born Gwithian

Sarah Jane b1882
John b1884
Herbert b1887
Gordon L. b1889 (middle name Lambert)

also had two more after 1891 Census
James b1892 (listed as Jeremey in 1901 & James in 1911 Census)
Philippa Catherine b1896

Their baptisms are all on Cornwall OPC

James, the father, is a widower in 1911 Census

these are my relatives, my dad knew them all, thankyou.

Ann Harvey, "England, Marriages, 1538?1973 "
groom's name: James Cock
groom's birth date: 1854
groom's age: 25
bride's name: Ann Harvey
bride's birth date: 1857
bride's age: 22
marriage date: 16 Aug 1879
marriage place: Gwithian, Cornwall, England
groom's father's name: William Cock
bride's father's name: Thomas Harvey
indexing project (batch) number: M02517-3
system origin: England-VR
source film number: 254206
reference number: 2:JX27CJ

This the only Ann Harvey I could find with a father Thomas Harvey born c 1857

Ann Harvey, "England, Births and Christenings, 1538-1975"
name: Ann Harvey
gender: Female
baptism/christening date: 12 Feb 1858
baptism/christening place: PHILLACK,CORNWALL,ENGLAND
birth date: 20 Dec 1857
father's name: Thomas Harvey
mother's name: Mary
indexing project (batch) number: C02319-1
system origin: England-ODM
source film number: 254199, 254200