There are a number of saints named Teresa. As far as I knpw, all died of natural causes except for Saint Teresa Benedicta of the Cross, Edith Stein, who was killed in a Nazi concentration camp.
I can find no saint named Teresa Vickers.
There are a number of saints named Teresa but the only one who was murdered was Edith Stein - Sister Teresa Benedicta of the Cross. She was killed by the Nazis on August 9, 1942, at the Auschwitz concentration camp,
The answer depends upon which Saint Teresa you are referring to as there are several.
College of Saint Teresa ended in 1989.
Ecstasy of Saint Teresa was created in 1652.
St. Teresa Redi is a saint but not a patron saint.
Which Teresa? There are several.
Saint Teresa was one of a number of saints by that name. Please narrow your question to a specific saint.
There are several saints named Teresa. Please be specific.
There are a number of saints named Teresa. Please be specific.
Mother Teresa's patron saint was St. Therese of Lisieux.
Mother Teresa has been beatified but not yet declared a saint.