Hey I LOVE the challange and I'm on a roll
Here's Charlotte's family in the 1881 census
Household:
Name Relation Marital Status Gender Age Birthplace Occupation
James MUIR Head M Male 46 Bristol, Gloucester, England Sailmaker
Sarah MUIR Wife M Female 45 Bristol, Gloucester, England
Jessy MUIR Daur Female 19 Limehouse, Middlesex, England
Eliza MUIR Daur Female 17 Limehouse, Middlesex, England
Edward MUIR Son Male 15 Limehouse, Middlesex, England
Charlotte MUIR Daur Female 13 Poplar, Middlesex, England
Charles MUIR Son Male 11 Bromley, Middlesex, England
Emily MUIR Daur Female 9 Bromley, Middlesex, England
Louisa MUIR Daur Female 6 Bromley, Middlesex, England
Agnes MUIR Daur Female 2 Bromley, Middlesex, England
Source Information:
Dwelling 50 Fern St
Census Place London, Middlesex, England
Family History Library Film 1341110
Public Records Office Reference RG11
Piece / Folio 0498 / 57
Page Number 38
James Wife is Sarah? Mrs Charlotte Muir must have died early.
Charlotte's age looks correct - she was a few years older than Alan.