Portrait of Jennie is an all-time favorite of mine, too. I loved the painterly look of the film and the Debussy music. I a not particularly sad at her passing. She did live to be 90, which is a ripe old age. Actually I thought she had died long ago, so the news of her death means she lived longer than I'd thought.
Only three Oscar winning performers from the 1940s are left: Olvia De Haviland, Joan Fontaine and Celete Holm.