Mary Haviland Stilwell Kuesel sometimes spelled Stillwell-Kuesel (April 30, 1866 – June 22, 1936) was a pioneer American dentist.

[1] She was the founder of the Women's Dental Association of the United States, which she founded in 1892 with 12 charter members.

[2] Mary Haviland Stilwell was born April 30, 1866, in Philadelphia, Pennsylvania.

In 1892, she founded the Women's Dental Association of the U.S. with 12 charter members.

[5] Her correspondence is held in a collection by the Historical Society of Pennsylvania.