The death of Phyllis K. (Brough) is listed in the online "Social Security Death Index" (via Ancestry.com), which states that her SSN# was 057-26-6749, that she was born on 16 June 1933, died on 11 March 1999, and last residence was: 13601 Watertown, Jefferson, New York.
Killed by an automobile while waiting for a school bus.