I didn't find this under the 1841, but the 1851 could this be correct?
1851 England Census
about Sarah Crane
Name: Sarah Crane
Age: 49
Estimated Birth Year: abt 1802
Relation: Head
Gender: Female
Where born: Field Lane
Civil Parish: Holborn St Andrew
County/Island: Middlesex
Country: England
Street address: 28 field lane
Occupation:green grocer
Condition as to marriage: w
Disability: View Image
Registration district: West London
Sub-registration district: West London South
ED, institution, or vessel: 1b
Neighbors: View others on page
Household schedule number: 40
Household Members: Name Age
Charles Crane 7
Sarah Crane 49
If this is correct then Charles would not have been born in 1841, but Sarah was a widow by 1851 and was living in the same place as she was born.