Mary Merrill Shadow (July 17, 1925 – January 2, 1992) was an American politician who served in the Tennessee House of Representatives from the 10th floterial district from 1949 to 1953, as a member of the Democratic Party.

She defeated incumbent Representative Walter White for a seat in the state house and served until 1953.

[1] Following the Battle of Athens she wrote a research paper on the government of McMinn County, Tennessee.

[7][8] Shadow announced her campaign for the Democratic nomination for a seat in the Tennessee House of Representatives from the 10th floterial district on April 25, 1948.

[9] She defeated incumbent Representative Walter White and Republican nominee Earl Mack Smith in the 1948 election after spending $270.

[16] The Tennessee Press Corps voted her as "one of the five most able and effective members of the House of Representatives" during the 77th session.

[18] Shadow ran to represent Davidson County, Tennessee, as a delegate to a constitutional convention in the 1952 election, but lost.