John Kies, Mary Dixon Kies's second husband, died at the age of 63. His death impacted Mary Kies's life and financial situation.

Mary Dixon Kies's patent for a new technique of weaving straw with silk and thread to make hats was signed by President James Madison. This is the most significant event associated with her, marking her achievement as an inventor and one of the first women to receive a US patent.

Mary Dixon Kies was born in Killingly, Connecticut. This is a pivotal date marking the beginning of the life of the American inventor.

John Dixon, Mary Dixon Kies's father, married Janet Kennedy in Voluntown, Connecticut. This marriage is significant as it establishes the family background of Mary Dixon Kies.