James was 30 in 1841
James was 42 in 1851 (and widowed)

Name:    James Walmsly
Gender:    Male
Birth Date:    1 Apr 1808
Baptism Date:    28 May 1808
Baptism Place:    Bank Street Unitarian OR Presbyterian,Bolton Le Moors,Lancashire,England
Father:    John Walmsly
Mother:    Tabitha (Morris)
FHL Film Number:    0560877 (RG4 64, 2004)

Still alive, 42, widow in 1851 at Manchester.

James does not appear to be buried with his wife.  Theres a James Walmsley (1817-1847) buried at Manchester Cathederal, but this cant be him.

Aged 30 in 1841
Aged 36 in 1846 (when died)

Possibly from Horwich as her first two children were baptised there.

Name:    Nancy Turner
Gender:    Female
Birth Date:    22 Feb 1809
Baptism Date:    23 May 1809
Baptism Place:    Lee Independent,Horwich,Lancashire,England
Father:    Richard Turner
Mother:    Allice
FHL Film Number:    0560882 (RG4 1472)

WALMSLEY, NANCY        36 
GRO Reference: 1845  M Quarter in MANCHESTER 
Volume 20  Page 516

Lancashire Death indexes for the years: 1845
WALMSLEY    Nancy    36    Ancoats    ANC/21/92

Name:    Nancy Walmsley
Age:    36
Birth Year:    abt 1809
Burial Date:    23 Feb 1845
Parish:    Manchester, St Mary, St Denys and St George
Spouse's Name:    James Walmsley
Archive Roll:    753

Aged 9 in 1810

Name    Rachel Turner Or Walmsley
Gender    Female
Birth Date    26 Jun 1831
Baptism Date    17 Jul 1831
Baptism Place    New Chapel Independent, Horwich, Lancashire
Father    James Walmsley
Mother    Nancy Turner
FHL Film Number    0560883 (RG4 3847)

Aged 8 in 1841

Name    Alice Walmsley
Gender    Female
Birth Date    5 Jul 1833
Baptism Date    9 Sep 1833
Baptism Place    New Chapel Independent, Horwich, Lancashire
Father    James Walmsley
Mother    Nancy Turner
FHL Film Number    0560883 (RG4 3847)

Aged 6 in 1861

Name    John Walmsley
Baptism Date    7 Jun 1835
Baptism Place    Bolton-le-Moors, St Peter, Lancashire, England
Father    James Walmsley
Mother    Nancy Walmsley
Reference Number    GB127.L243/1/3/12

Abode Halliwell, Weaver

Name:    John Walmsley
Age:    23
Birth Date:    abt 1834
Burial Date:    7 Jul 1857
Burial Place:    Deane, St Mary, Lancashire, England
Father:    James Walmsley
Reference Number:    GB127.L85/1/4/7

John, son of James Walmsley of Halliwell was buried, aged 23

Aged 4 in 1841

Aged 10 mo in 1841

Lancashire Birth indexes for the years: 1840
WALMSLEY    Sarah    TURNER    Halliwell, Bolton    HALL/1/450

WALMSLEY, SARAH        TURNER 
GRO Reference: 1840  S Quarter in BOLTON UNION
Volume 21  Page 132

Name:    Sarah Walmsley
Gender:    Female
Death Age:    3
Birth Date:    1841
Death Date:    abt 1844
Burial Date:    28 Mar 1844
Burial Place:    Bolton, England
FHL Film Number:    1538365
Reference ID:    P.57/8, It. 46

Lancashire Birth indexes for the years: 1842
WALMSLEY    Tabothy    TURNER    Eastern Bolton    EB/9/256

WALMSLEY, TABOTHY        TURNER 
GRO Reference: 1842  D Quarter in BOLTON UNION 
Volume 21  Page 87

Name:    Tabitha Kay
Age:    68
Estimated Birth Year:    abt 1843
Registration Quarter:    Apr-May-Jun
Death Registration Place:    Prescot, Lancashire, United Kingdom
Death Date:    Jun 1911
Inferred Death Place:    Lancashire, United Kingdom
Volume:    8b
Page:    448