Hi Ancestry2021,
Burials;
St Margaret, Kings Lynn, Norfolk
WILLIAM Parlett 30 Jun 1845, age 93, occp Mariner, abode Workhouse, King's Lynn
EDWARD Parlett 5 Jan 1874, age 70, abode Purfleet Street
SARAH LAIRD Parlett 31 Jan 1883, age 79, abode Purfleet Street
JOHN GARLAND Parlett 08 Dec 1886, age 43, abode Purfleet St
Source FreeREG;
www.freereg.org.ukSorry cant see Sophias Burial
Trish

EDIT likely Williams Wifes Burial;
18 Mar 1811, SARH Parlett, Wife of William, no age given, abode Of Lynn St. Margt.
Looks like William remarried.
16 Oct 1817, William PARLET a Widower to Sarah PRATT a Spinster
It explains age difference for William/Sarah in 1841 Census (80 and 60)
Possible Burial for Sarah (wife no 2) 20 Jun 1850 age 72