I’m not related to any member of this family. 1930 is the last available census at this time.
The SSDI is not applicablr for Mach as he died before the system was computerized.
Try this site for death records – FREE SITE Social Security Death Index = FREE, Searchable = ALL STATES • * * * * This index features individuals who died after 1960. * * * * * * • The Social Security Administration does not have information about people who died before about 1940 when Social Security payments were first paid out. The SSDI has very few entries for people who died from 1940-1961.