Public information, by definition, is not private.
TCHEREPNIN, ALEXANDER was born 21 January 1899, received Social Security number 327-28-7980 (indicating Illinois) and, Death Master File says, died September 1977
Source: Death Master File (public domain). Check
Archives.com
for ALEXANDER TCHEREPNIN. [$]
TCHEREPNIN, IVAN was born 5 February 1943, received Social Security number 337-38-8065 (indicating Illinois) and, Death Master File says, died 11 April 1998
Source: Death Master File (public domain). Check
Archives.com
for IVAN TCHEREPNIN. [$]
TCHEREPNIN, MING was born 5 August 1915, received Social Security number 326-34-8542 (indicating Illinois) and, Death Master File says, died January 1992
Source: Death Master File (public domain). Check
Archives.com
for MING TCHEREPNIN. [$]
Check all your genealogy names on SortedByName.com and Sorted By Date.com. Bookmark the site.