The following marriage entry from the Kingsley, Staffordshire, England records might be of interest. As you might know, Staffordshire is the county where the Whitehursts originated, with the medieval "village" of Whitehurst near Dilhorne. It is about 3 miles from my current home.
Nearby is the village of Kingsley.
28th December 1844
Ralph Whitehurst of full age a bachelor and labourer of Kingsley, the son of William DAVENPORT, dec'd marries Hannah Harrison a servant of Park Fields, Cheadle the daughter of Richard Harrison a (???? - difficult to read)
May Whitehurst is a witness to the marriage.
A few extra clues for you:-
1841 Kingsley Census
Hannah Davenport61 Ind Born Staffs Ralph Davenport24 or 21 Born Staffs
The following Ralph appears on the Family Search site in Kingsley:-
Ralph WHITEHURST Sex:M
Event(s): Christening:3 Jun 1811 Kingsley, Stafford, England
Parents: Father: Mother:Hanh. WHITEHURST
I have got some old recollection that the Family Search records may not be correct and that on a different date I have seen reference to a Ralph Whitehurst son of DAVENPORT, a gentleman but alas the reference eludes me.