David, you've got it right.... I looked at the Campton PRs at Beds Archives yesterday but have yet to wright it up, here goes....
Marriage Campton cum Shefford 20 May 1823
John Wright, bachelor of Shefford to Martha Stanbridge, spinster of Shefford.
Witnesses James Waller & Mary Haynes
Baptisms children of John & Martha Wright of Shefford, bricklayer
29 Feb 1824 Martha
15 Oct 1826 Mary-Anne....buried 20 Jul 1827 age 1 year
16 Mar 1828 Sarah...........buried 13 Apr 1828 age 9 weeks
1 Dec 1828 Kate..............buried 3 Dec 1828 age 1 day
4 Jun 1830 Isabel.............buried 11 Jun 1830 age 6 weeks
16 Oct 1831 Maria
Joseph 9 Mar 1836......... is he the John Wright buried 28 Apr 1840 age 4 years, son of John Wright, junior widower
Burial, 8 Jun 1839 Martha wife of John Wright, junior age 37
Marriage 14 Feb 1842
John Wright, widower, bricklayer to Mary Jones, spinster
Father John Wright, bricklayer
Witnesses Frederick Paine & Elizabeth Wright
Baptisms of children of John & Mary Wright of Shefford, bricklayer
11 Sep 1842 Elizabeth
4 Feb 1844 Samuel
24 May 1846 Joseph........buried 24 Feb 1848 age 18 mnths
4 Feb 1849 Edward
21 Dec 1850 John
Burial 21 Dec 1850 Mary wife of John Wright, bricklayer age 41
Not sure when John Wright died but he's on 1861 census as widower with children Martha, Samuel, Edward & John.
Going back..... John Wright baptised 6 Jan 1801 son of John & Sarah Wright of Shefford, bricklayer
John Wright married Sarah Clare on 12 Feb 1782
Sarah, wife of John Wright, bricklayer died 4 Mar 1827 age 65 was buried 8 Mar 1827 age 66
John Wright bricklayer was buried 26 Apr 1848 age 85
Cheers John