Widowed in 1863, she survived Samuel by more than twenty years, dying at Brookline, Massachusetts, in early March of 1885, days short of her 94th birthday.
Birth, family members, death, and burial (with image of gravestone): Find a Grave, database and images (https://www.findagrave.com/memorial/59685874/eliza-cabot: accessed 30 March 2023), memorial page for Eliza Perkins Cabot (17 Mar 1791–2 Mar 1885), Find A Grave: Memorial #59685874, citing Walnut Hills Cemetery, Brookline, Norfolk County, Massachusetts, USA; Maintained by Nanny (contributor 47179467).
Birth location (Boston MA; in death record of son): "Massachusetts State Vital Records, 1841-1920", database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:NWNV-MR9 : 13 December 2022), Elizabeth Perkins in entry for Walter Channing Cabot, 1904.
Marriage to Samuel Cabot, 2 Nov. 1812 at Boston MA: "Massachusetts, Town Clerk, Vital and Town Records, 1626-2001," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:Q29L-K71V : 19 May 2022), Samuel Cabot and Elizabeth Perkins, 02 Nov 1812; citing Marriage, Boston, Suffolk, Massachusetts, United States, Massachusetts Secretary of the Commonwealth, Boston; FHL microfilm 004277237.
See also (note that WikiTree regards online family trees, pedigree resource files, and their equivalents as reliable only where primary, or highly reputable secondary, sources are specified and readily accessible):