She was declared a co-patroness of Europe along with Ss Catherine of Siena, Bridget of Swedan and is the patron saint of those who have lost their parents, Jewish converts and martyrs.
The Carmelites of Kilmacud have a short but informative and interesting webpage on Edith HERE.
You can read more about Edith HERE, HERE, HERE and HERE.
An interesting article about Edith Stein, the Apostate Saint
Mass readings for the day are available HERE.