She and her husband received the French Legion of Honor in 1929,[1] and Blumenthal died of bronchial pneumonia at her home in Paris on September 21, 1930, at age fifty-five.

[1] Washington Post publisher Katharine Graham described her aunt, known within the family as Florie, as having a perfect figure and for "bringing home massive amounts of clothing from Paris.

[7] Recognizing the quality of care provided to their son by Professor Le Mee at the Necker Children's Hospital in Paris, the Blumenthals make a significant donation for the construction of a new building, the Blumenthal Pavilion, built in 1926 as an innovative Ear Nose & Throat (ENT) center operating around the clock, similar to the Children's Hospital of Philadelphia.

From 1919 to 1954, nearly two hundred artists received grants,[1] including in 1921 Georges Migot (1891–1976), composer, painter, and a carver; in 1926 Paul Belmondo, sculptor; also in 1926 Paule Marrot, textile artist;[8] in 1930 Robert Couturier, sculptor; in 1934 Jean Oberlé, painter and in 1941 Jean Follain, author and poet.

In 1952 Marrot won in 1952, the French Légion d'honneur (Legion of Honor), (Chevalier) — and her textiles continue under license to diverse companies including Nike, Anthropologie and the handbag maker, Hayden-Harnett.