You didn't give her marriage details, including name and occupation of her father? Nor her residence at that time, and place of birth given in 1901.
Could this be her in 1881?
George COWELL Head M Male 30 Douglas, Isle of Man, England Rope Maker
Margaret COWELL Wife M Female 30 Patrick, Isle of Man, England
Eliza C. COWELL Daur Female 6 Douglas, Isle of Man, England Scholar
Margaret C. COWELL Daur Female 4 Douglas, Isle of Man, England Scholar
Geo. E. COWELL Son Male 2 Douglas, Isle of Man, England
--------------------------------------------------------------------------------
Source Information:
Dwelling 26 Mona St
Census Place Onchan, Isle of Man, Isle of Man
Family History Library Film 1342346
Public Records Office Reference RG11
Piece / Folio 5604 / 111
Page Number 16
Sue