|Born||Mary Day Thacher
December 16, 1906
Orange, New Jersey
|Died||December 14, 1963
New York City, New York
Molly Kazan (December 16, 1906 – December 14, 1963) was an American dramatist and playwright.
Kazan was born Mary Day Thacher in Orange, New Jersey, the daughter of Emma Cecelia (née Erkenbrecher) and Alfred Beaumont Thacher, a lawyer, and the granddaughter of Elizabeth (Day) and classicist and college administrator Thomas Anthony Thacher. Her uncle was lawyer Thomas Thacher. She was the first wife of the acclaimed and controversial film director Elia Kazan.
She wrote the following plays:
- The Egghead
- The Alligator
- Who’s Who of American Women, 1st ad. (1958–59), p. 679 (re Molly Thacher Kazan)
- Yale University Obituary Record of Graduates Deceased During the Year Ending July 1, 1928, pp. 58–59 (re Alfred Beaumont Thacher)
- Biographical and Historical Record of the Class of 1835 in Yale College for the Fifty Years from the Admission of the Class to College (1881), pp. 165–68 (re Thomas Anthony Thacher)
- C.T. Cobb, L.E. Thacher, & D.W. Allen, Genealogy and Biographical Sketches of the Descendants of Thomas and Anthony Thacher (1872), pp. 12–15.
-  Notable Kin: New England in Hollywood, Part II: Behind the Scenes