Aged 35 in 1841, Book Keeper, Not from Lancashire
Aged 48 in 1851, Clerk at Iron foundry (Headingley)

Born: Low Moor, Yorkshire (with wife Martha from Bolton)

Thomas was of full age and a Manufacturer when he maried Mary Ann Sansom, who must have been a minor as she required her father's permission to marry.

Children Thomas and Henry are both baptised at Chorley.

Mary Ann Mather buried at Chorley, aged 26 (so born about 1804)

Mary Ann was under age when she married by licence in 1823, so consent of her father, William Sansom, was needed.

Name:    Mary Ann Mather
Birth Year:    abt 1804
Death Age:    26
Burial Date:    30 Mar 1830
Burial Parish:    Chorley, Lancashire, England
Register Type:    Bishop's Transcript
Reference Number:    Drb 2/53

Henry was baptised three days before his mother was buried.

Name:    Thomas Mather
Baptism Date:    31 Oct 1825
Parish:    Chorley, Lancashire, England
Father:    Thomas Mather
Mother:    Mary Mather
Register Type:    Bishop's Transcripts
Reference Number:    Drb/2/52

Died an infant, as another Thomas was baptised 4y later

Name:    Thomas Mather
Birth Year:    abt 1825
Death Age:    3 weeks
Burial Date:    11 Nov 1825
Burial Parish:    Chorley, Lancashire, England
Register Type:    Bishop's Transcript
Reference Number:    Drb 2/52

Probably born late 1828 if died, aged 13.

Name:    Thomas Mather
Baptism Date:    27 Mar 1829
Parish:    Chorley, Lancashire, England
Father:    Thomas Mather
Mother:    Marianne Mather
Register Type:    Bishop's Transcripts
Reference Number:    Drb/2/53

Father's Occupation: Manufacturer
Abode: Chorley

Thomas must have died young (but after June 1841), as another Thomas was born 1849. 

The burial record in Feb 1842 in Chorley is another person, as death was recorded in 1841.

Lancashire Death indexes for the years: 1842
MATHER    Thomas    13    Little Bolton    Bolton    LB/5/85

Another Thomas of almostsame age died in 1841:  Lancashire Death indexes for the years: 1841
MATHER    Thomas    13    Eastern Bolton    Bolton    EB/5/255

Name:    Henry Mather
Baptism Date:    27 Mar 1830
Parish:    Chorley, St Laurence, Lancashire, England
Father:    Thomas Mather
Mother:    Mary Ann Mather
Register Type:    Parish Registers
Reference Number:    Pr 2799/11

Living in Little Bolton in 1841

Henry was baptised three days before his mother was buried.

The 1895 death at Farnworth is probably son of Robert and Betty

Lancashire Death indexes for the years: 1895
MATHER    Henry    66    Farnworth, Bolton    FTH/62/338