Thanks, Philip.

1841 census Household transcription from Findmypast
[ages rounded, no relationships given]:

Name, Se x, Age, Birth Year, Occupation, Where born

CAIN, Margaret, F, 60, 1781, Isle of Man
CAIN, Maria, F, 20, 1821, Isle of Man
GILL, Margt, F, 25, 1816, Isle of Man
KERMEEN, Margt, F, 75, 1766, Isle of Man
Piece: 1464
Book/Folio: 8/54
Page: 9
Registration District:
Civil Parish: Maughold
Municipal Borough: Ramsey
Address: Kirk Maughold Street, Maughold, Ramsey.
County: Isle of Man.

There is a double // top and bottom, and a single / between Maria Cain and Margt Gill.

Margaret Cain occupation "Knitting"
Maria Cain "Dressm"
Margt Gill "Ind"
Margt Kermeen "Ind"

Sue