Had a look at Trees.
Did those names as Parents come from the Death Cert of John Clayton born 1822 London?
Died 1907 Australia?
One Tree has John Snr dying 1831 London.
I have found the 1851 Census Lincs where those dob/pob's are given for John/Elizabeth Clayton you mention.
There is this Marriage;
25 May 1779, St Michael, Glentworth. Lincolnshire
John CLAYTON, Labourer to Rebekah HURD, Spinster
Both of Glentworth Parish at time of Marriage
2nd Marriage;
Rebecca CLAYTON, Widow***, married JOSEPH WALKER, Widower, 19 Dec 1799 same Church
Burial;
REBECCA Walker, Wife of JOSEPH Walker, 16 April 1818 same Church. Age 71**
Joseph Walker was buried 19 Aug 1843 age 90*
On FreeREG.
1861 Elizabeth is born c 1791.
Trish
