You can try https://hebrewsurnames.com/jewish-cemeteries-in-argentina or the obituaries at www.dateas.com. 
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Susan Kahan Steeble
Baltimore, MD, USA
Researching: FRIDGANT/FRIEDHAND and variants from Bershad, Ukraine
                      KESSELMAN from Chorna/Okna, Ukraine
                      BUDIANSKY/BUDINOFF and SLUTSKY from Korsun and Zolotonosha, Ukraine
                      KAHANOWITZ/KAGANOVICH from Grodno and Masty, Belarus
                      STUCHINSKY from Jurbarkas/Yurburg, Lithuania