If you look at the Gloucestershirebdm :

All George HARDING and Sarah JAMES children have the mother's maiden name as JAMES ……

Except

Child Surname: HARDING

Child Forename: John Charles (age 9 months on the 1881 census)

Father's Surname: HARDING

Mother's Surname: HARDING

Mother's Former Name: WAIT

Year: 1880

District: Cirencester

Office: Northleach, Chedworth

Register: 11

Entry: 56

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1881 Census, Gloucestershire Longborough

HARDING

George - 33 - born Glos Hazleton
Jane - 25 - born Newnham
Emily L - 5 - born Glos. Turkdean (Emily Louisa - 1876 - Cirencester, Northleach Chedworth (mother's maiden name JAMES)
Rose - 2 - again Glosbdm - mother's maiden name JAMES
John Chas - 9 months - John Charles - mother's maiden name WAIT