Laura died at the age of 20 and is buried in West Cemetery in New Haven, Vermont.
Sources
"United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MC2W-6XP : accessed 31 January 2016), Laura Hallock in household of Chester Hallock, Weybridge, Addison, Vermont, United States; citing family 56, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).