... this might explain the burial of a Mary Charlton at Wollaston on 23 Jan 1805, she's the first wife of Henry.
... so do these fit together ? ...
> marriage 1794
Samuel Charlton s/o Henry & Mary bpt 1795 Jun 8 at Wollaston C of E
Mary Charlton buried 1805 Jan 23 Wollaston C of E
Samuel Charlton buried 1805 Jan 25 Wollaston C of E
> marriage 1806
Samuel Charlton s/o Henry & Mary bpt 1810 29 May at Wollaston Congregational (b. May 2)
(Sources: Northants Baptisms Index, Northants Burials Index)
Sorry, John ... nothing found for Samuel/Mary marriage. Have checked for both names and looked at Wollaston. If they married just over the border in NTH, then Bozeat remains a possibilty, but early regs destroyed in fire in 1729.
Bryan