Hi Sheila,
Found Joseph in 1841 ...
HO107/441/12. F.6. P.3. Waterside. Kings Langley,
Elizabeth Turner 40 Foreign
Joseph Turner 50 Ag lab In cty
Thomas Turner 15 Ag lab In cty
John Turner 10 Scholar In cty.
(Adult ages rounded down to nearest 5)
The Hertfordshire Burial Index records a Sarah Turner, age 48, 30 Dec 1838, Kings Langley.
Regards ... Peter