Mary Stewart Cutting Jr. (1879 – February 11, 1928) was an American author and a suffragist.

Her maternal grandfather was the Civil War general Ulysses Doubleday (general); her maternal grandmother's birth name was Stewart.

Mary Stewart Cutting Jr. was born in New Jersey, where she became a well-known suffragist.

[2] She was also the author of magazine and newspaper articles.

According to her New York Times obituary, she died on February 11, 1928, in Manhattan, New York City, after being ill for a month.