Have you checked here? Sometimes you have to click on it a few times to get it to open.
http://newspaperarchive.com

or the local newspaper in Caddo Parish, church records ?

LA started recording deaths in 1914, how many parishes did is uncertain or how long it took to enforce.
www.dhh.louisiana.gov.offices/?ID=252

www.sec.state.la.us/archives/archives/archives-library.htm
under vital records

There was no funeral or mention of her death etc in Virginia?

www.caddo.org

good luck in your search