Here is your Charlotte in 1841:

Name: Charlotte Hawkins
Age: 55
Estimated birth year: abt 1786
Gender: Female
Where born: Surrey, England
Civil Parish: Lambeth
Hundred: Brixton (Eastern Division)
County/Island: Surrey
Country: England

Registration district: Lambeth
Sub-registration district: Lambeth Church First

Piece: 1057
Book: 3
Folio: 38
Page Number: 18
Household Members:
Name Age
Thomas Hawkins 55
Charlotte Hawkins 55
Sarah Hawkins 20
Caroline Hawkins 14
Mary Hawkins 8

Thomas is a fisherman, the same occupation as Catherine's dad

So the Charlotte Augusta Stanhope is not yours