Mary Katherine Goddard was an early American publisher and the postmaster of the Baltimore Post Office from 1775 to 1789. She was the first to print the Declaration of Independence with the names of the signatories.
Mary Katherine Goddard was born in Connecticut in 1738. She was the daughter of Dr. Giles Goddard and Sarah Updike Goddard. Her father was the postmaster of New London, which could explain why Mary and her brother had long careers and natural interest in the postal system and the printing business.
Source: Wikipedia