The Niagara County Historian’s Office contains many books and vertical files on each of the cemeteries located in Niagara County. The following is shared with permission pending credit given to the Niagara County Historian’s Office.
Both books contain a cemetery lot map:
The Burial Book has an alphabetical index in the back and pages like this:
Here ia an example page from the Listing of Burials book:
Learn more about the Niagara County Historian’s Office at: https://www.niagaracounty.com/Departments/Historian