Life and Times of Portia White p.2
1944- Portia has a  successful concert at the Town Hall in New York city in March. She receives financial help from the Portia White Fund in May.
1955-Portia has a operation for cancer
1964-Portia sings before Queen Elizabeth and Prince Philip.
1968-On February 13th, Portia dies at age fifty-seven.
Singing Toward The Future (the book)p.61