1841 and 1851 Census give different approximate ages

From Lucy's marriage certificate was a silk master/Maker

1851 England Census about Edward Tomkinson
Name: Edward Tomkinson
Age: 43
Estimated Birth Year: abt 1808
Relation: Head
Spouse's Name: Rosanna
Gender: Male
Where born: Leek, Staffordshire, England
Civil parish: Leek and Lowe
Ecclesiastical parish: St Luke
Town: Leek
County/Island: Staffordshire
Country: England
Street Address: 138 London Road
Occupation:
Registration district: Leek
Sub-registration district: Norton
ED, institution, or vessel: 1d
Household schedule number: 138
Household Members:
Edward Tomkinson 43
Rosanna Tomkinson 36
Mary Jane Tomkinson 16
Lucy Ellen Tomkinson 14
Rosanna Tomkinson 12
Enock Tomkinson 10
Henry Tomkinson 8
Catherine Tomkinson 6
Frederick William 4
Sarah Frances 1
Charlotte Frances under 1 Mo

43 Estimated birth year: abt 1808 Relation: Head Household:Staffordshire, England Civil parish: Leek and Lowe Ecclesiasticalparish: St Luke Town: Leek County/Island: Staffordshire Country:England
Street address:

Occupation:

Condition as to marriage:

Disability:
district: Leek Sub-registration district: Norton ED, institution,on page) Household schedule number: 138 GSU Number: 87410-87411



Enock Tomkinson abt 1841 Leek, Staffordshire, England Son Leekabt 1843 Leek, Staffordshire, England Son Leek and Lowe StaffordshireStaffordshire, England Daughter Leek and Lowe StaffordshireSon Leek and Lowe Staffordshire