Hello,Syd,I don't know IF this is of any help to you BUT-
Elizabeth Grundy(b 1854 Manchester) married in 1873 at Sculcoates -John
Fenton-b 1852-Hull.This is from FREEBMD
The 1881census gives them as living at 14 Albert St,Sutton/Stonferry-
John W Fenton-aged 29-gen labourer
Elizabeth Fenton-aged 27
William I Fenton-aged 7 son/scholar-this could be William Isaac-Elizabeth's
father was Isaac-her brother William Isaac.
Mary E -aged 5-dau/scholar
Harold J-aged 2-son
Alice aged-5 mths-dau.
Thanks for your info.