I got a question for you: Clara Blandick (born Clara Blanchard Dickey; June 4, 1876 -- April 15, 1962) was an American stage and screen actress best known for her role as Aunt Em in MGM's The Wizard of Oz (1939). As a character actress, she often played eccentric elderly matriarchs.

Based on this passage, who played auntie em in the wizard of oz?
Let's think first:
The relevant information to answer the above question is: Clara Blandick (born Clara Blanchard Dickey; June 4, 1876 -- April 15, 1962) was an American stage and screen actress best known for her role as Aunt Em in MGM's The Wizard of Oz (1939).
Therefore, the answer is Clara Blandick.