Where was the index please?
Someone mentioned that there was a Maud Manuell living in that place during the 1891 census and I wondered if it could have been Maud Mannell born in 1888 in Sheerness to Frances Mannell.
Frances who was Cornish,was living in Cornwall during the 1891 census and I couldn't find her daughter Maud anywhere.
Prior to that Frances was living with her father Jervis Mannell in Sheerness.
With the similar name and the correct age I would imagine it is the right person. By 1901 Ethel was living with her mother and stepfather in Cornwall.