Hi,looking at Macca's reply re 1891 census (#8) Thomas's mother,Jane, was living with the family.
This would appear to be Thomas in 1861.
1861
William Farndon aged 43 born Dunchurch,Shoe Maker
Jane Farndon aged 40 Wife born Kent
William Farndon aged 20 Son born London, Sawyer
Elizabeth Farndon aged 17 Daughter born Birmingham,
Thomas Farndon aged 12 Son born West Bromwich,Brass Founder
John Farndon aged 14 Son born West Bromwich,Gun Barrel Smoother
George Farndon aged 7 Son born West Bromwich,
Mary Ann Farndon aged 3 Daughter born Birmingham, Warwickshire
Address 2 court 16 Moland Street Birmingham, Warwickshire
A possible marriage for Thomas's parents?
Marriages Dec 1838
William FARNDON Birmingham 16 473
Jane STEELE Birmingham 16 473
record title:England Marriages, 1538–1973
groom's name:William Farndon
bride's name:Jane Steele
marriage date:27 Dec 1838
marriage place:St. Philip's Cathedral, Birmingham, Warwick, England
groom's father's name:William Farndon
bride's father's name:Thomas Steele
Possible birth and christening of Thomas?
Births Dec 1848
Thomas Farndon W Bromwich 18 582
England Births and Christenings, 1538-1975
name:Thomas Farndon
gender:Male
baptism/christening date:28 Jan 1849
baptism/christening place:ALL SAINTS,WEST BROMWICH,STAFFORD,ENGLAND
father's name:William Farndon
mother's name:Jane