Hello
Not quite what you wanted, but British Library Newspaper Archives, Marriages, for 'Whitelock' and 'Lloyd':-
Yorkshire Gazette 29th April 1826
Marriages
"On Thursday, the 13th inst., William Horton Lloyd, Esq., of Bedford Place, to Mary, youngest daughter of George Whitelocke, Esq., of Seymour Place, Portman Square, London."
Leeds Mercury 29th April 1826
"Last week, Wm. Horton Lloyd, Esq. of Bedford-place, London, only son of the late Gamaliel Lloyd, Esq. formerly of this town, to Mary, youngest daughter of George Whitelock, Esq. of Seymour-place, Portman-square."
(Sic. Whitelocke spelt Whitelock in original newspaper text)
The Scots Magazine 1st May 1826
"At the house of Leonard Horner, Esq. by the Rev. Sir Henry Moncrieff Wellwood, Bart., William Horton Lloyd, Esq. of Bedford Place, London, to Mary, youngest daughter of George Whitelocke, Esq. of Seymour Place, Portman Square."
Regards Mark