In 1871 the family is 'HILLINGSWORTH' (indexed as 'HOLLINGWORTH' by Ancestry).
These may the burials of the parents at Ecclesall All Saints:
ILLINGWORTH Charles 27 Jun 1879 Union Workhouse 43
ILLINGWORTH Mary Ann 20 Nov 1877 Highfield 38
[name/date of burial/address or place where death occurred/age]
THE CHERRYTREE ORPHANAGE.-- The treasurer
acknowledges with thanks the receipt of £5. 5s.,
from the Edge Tool and Wool Shear Grinders'
Association. The committee admitted into the
institution on the 12th. inst. three orphan children
of the late Charles Illingworth, edge tool grinder.