What was your GGrandfather's name, and can you confirm the surname spelling please? I did find a William transcribed as WOOLACOTT aged 8 in Chulmleigh's 1851 census.
Could this be your Georgina in the 1851?:
Name Relationship Mar Age Sex Occupation Birthplace
Ann Nowell GLASS Head W 54 F Shoe Binder Dartmouth-Dev
William GLASS Son - 14 M Errand Boy Dartmouth-Dev
Georgena GLASS GDau - 6 F --- Dartmouth-Dev
Charlotte GILLARD Daur M 29 F Sailors Wife Dartmouth-Dev
Charlotte E. GILLARD GDau - 7 F --- Dartmouth-Dev
Address: Pillory Lane, Totnes
Census Place: St Saviour Totnes, Devonshire
PRO Reference: HO/107/1873 Folio: 419 Page: 31 FHL Film: 0221021