The original poster states that Sybil was originally from Buxton in Derbyshire. The only one I can see that is most likely is one whose father is Thomas. She appears to be one of nine children.
Living at 83 Bennett St Buxton, Buxton, Derbyshire in the 1911 census. Thomas is a farm labourer.
Registration district Chapel En Le Frith
Thomas' marriage:-
Marriages Mar 1884
Chappell Mary Emma Chapel le F. 7b 945
Keeling Thomas Chapel En Le Frith 7b 945
Sybil's birth record:-
KEELING, SYBIL CHAPELL
GRO Reference: 1900 D Quarter in CHAPEL-EN-LE-FRITH Volume 07B Page 761
Is this going to be the same Sybil that Julie is researching?