Death Date

In genealogy, we generally work our way backwards starting with any facts we know. 

Cader Dement’s death date source is from http://www.tngenweb.org/records/tn_wide/obits/nca/nca47-10.htm

Scroll down to
December 21, 1849
Cader Dement is the 3rd entry

"CADER DEMENT died Rutherford Co., Tenn., Sept. 9, 1849 in the 72nd year of his age."

The death date of 9 September 1849 corresponds with the fact that his will was filed in October 1849.