Maine, County Probate Records, 1760-1979 Description Images of county probate books. The record content and time period varies by county. How to Use this Collection » View Images in this Collection Browse through 504141 images Citing this Collection "Maine, County Probate Records, 1760-1979." Images. FamilySearch. http://FamilySearch.org : 14 June 2016. County courthouses, Maine.