This can't be the same person but in view of the coincidence of names thought I'd mention it
1851
24 South? Borough Walk, Derby St Peter, Derbyshire
William Walkerden Head M 49 Labourer Staffordshire Radford
Harriet Wife M 41 " Blithfold
Elizabeth daur 14 Factory Girl " Uttoxeter
William Son 12 Factory Boy " "
Sampson Son 10 " "
George Son 9 " "
John Son 5 " "
Ann daur 3 " "
Mary daur 9 months Derby
HO107/2143 Derby St Peter Folio 38 Page 16
There are very few other Walkerdens in the whole country in fact the only other two are
Thomas, 25 Servant in the household of Francis (farmer) and Elizabeth Harvey, living Lee Lane, Colton, Staffordshire. He was born Staffordshire Blithfield
Living 11 Ladbroke Terrace, St Mary Abbott, Kensington, Middlesex
Letitia C Walkerden Unmarried Servant 50 years old, Housekeeper born Derby All Saints and working for Richard H Kennedy (Retired Physician General) and his wife Isabel and children.
Hope this is of some help.
Mary
PS Malpas is in Cheshire, as I suppose you worked out since you posted on that board.