There are too many Maud Fry births in the indices to determine which birth was hers.

As she only appeared in the 1881 census, she must be the child that died, as reported for her mother in the 1911 census.  All six other children had entries in the 1911 census.
________________

I just wonder if this death could be hers?

First name(s) MAUD GERALDINE
Last name FRY
Gender Female
Birth day -
Birth month -
Birth year 1878
Age 8
Death quarter 3
Death year 1886
District KINGSTON
County Surrey
Volume 2A
Page 186
Country England
Record set England & Wales deaths 1837-2007

And, if so, this was the birth:

First name(s) MAUD GERALDINE
Last name FRY
Birth year 1877
Birth quarter 4
Registration month -
Mother's last name -
District FULHAM
County London
Country England
Volume 1A
Page 222
Record set England & Wales births 1837-2006
___________________