Source Information
Ancestry.com. Maine, U.S., Tombstone Inscriptions, Surname Index, 1718-2014 [database on-line]. Lehi, UT, USA: Ancestry.com Operations, Inc., 2020.Original data: Maine, Tombstone Inscriptions, Surname Index, 1620-2014. Salt Lake City, UT, USA: FamilySearch.
About Maine, U.S., Tombstone Inscriptions, Surname Index, 1718-2014
You can learn more about this collection at the FamilySearch website.