Mary Theresa is a feminine given name. Notable people with the name include: Mary Theresa Carver, mother of Mary Curzon, Baroness Curzon of Kedleston Mary Theresa Dudzik (1860–1918), American Roman Catholic nun Mary Theresa Eleanor Higgins, birth name of Mary Higgins Clark (1927–2020), American author of suspense novels Mary Theresa Glindon (born 1957), English politician Mary Theresa Hart (1872–1942), American artist and illustrator Mary Theresa Ledóchowska (1863–1922), Polish Roman Catholic nun Mary Theresa Olivia Cornwallis-West, birth name of Daisy, Princess of Pless (1873–1943), Welsh writer, socialite, and wartime nurse Mary Theresa Schmich (born 1953), American journalist Mary Theresa Vidal (1815–1873), English-born Australian novelist Mary Theresa Wiedefeld (1886–1983), American educator and academic