In case you dont have the Marriage;
15 May 1842, All Saints, Edmonton, Middlesex, to Esther DANIELS
Looks like Esther had a lover!
1851 Census
Esther Dearlove, 31, Mar, Visitor, Needlewoman, born Edmonton
John Dearlove, 8, Son
Esther Dearlove, 2, Daug
1861 Census
Esther Dearlove 41
John Dearlove 18
Esther Dearlove 12
Sarah Dearlove 9
Emma Dearlove 7
Rebecca Dearlove 1mth
Charles Day 3
William Day 40
Harriet Day 16
As Esther is with William Day in 1851 also he may have been the culprit.
John William Dearloves birth reg has Mothers mn as Daniels
Esther is reg as Day, Mothers mn Daniels.
William Day/Esther Dearlove finally married 1863.
You probably have this Greaves but it may help someone else in the future.