Alden died on January 7, 1853, aged 22. He was buried in Briggs Burying Ground, Pembroke, Plymouth County, Massachusetts.
Sources
Briggs, Vernon L. ;History and Genealogy of the Briggs Family 1254-1938 (Charles E. Goodspeed & Co. Boston 1938);vol. II, p. 591
Find a Grave, database and images (https://www.findagrave.com/memorial/105771711/alden-briggs: accessed 18 August 2023), memorial page for Alden Briggs (27 Dec 1830–7 Jan 1853), Find a Grave Memorial ID 105771711, citing Briggs Burying Ground, Pembroke, Plymouth County, Massachusetts, USA; Maintained by Beverly Burnett (contributor 46898315).
"Massachusetts, Town Clerk, Vital and Town Records, 1626-2001," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:FH3C-73V : 10 November 2020), Alden Briggs Jr., 7 Jan 1853; citing Death, Pembroke, Plymouth, Massachusetts, United States, Massachusetts Secretary of the Commonwealth, Boston; FHL microfilm 007009265.