Hi,

There is a Joseph Davis in the Louisiana death index that died in 1927 in Desoto Parrish, could this be him? You can order the certificate to know for sure. I could not find a Lucy Davis that matches your Lucy in the death index for Louisiana.

Louisiana Statewide Death Index, 1900-1949

Name: Joseph Davis
Death Date: 7 May 1927
Estimated birth year: 1865
Age: 62 years
Parish: Desoto
Certificate Number: 4944
Volume: 11
Title: Louisiana Statewide Death Indeces 1900-1929