Annie Jump Cannon was born in Dover, Delaware, United States.
Annie Jump Cannon was born on December 11, 1863, in Dover, Delaware, to Wilson Cannon, a shipbuilder and state senator, and Mary Elizabeth Jump. From an early age, her mother, who had studied astronomy in school, introduced young Annie to the constellations from the attic of their home, sparking a lifelong fascination with the night sky.
Growing up in a prosperous merchant family gave Annie access to education that was not available to many women of her era. She excelled in her studies, and her early exposure to astronomy through her mother's guidance would prove foundational to one of the most consequential scientific careers of the early twentieth century.
Her childhood in Delaware, marked by curiosity and a supportive if unconventional (for the time) parental encouragement of a girl's interest in science, set the stage for her eventual enrollment at Wellesley College, one of the few institutions then offering women a rigorous scientific education. Cannon would go on to become the most prolific stellar classifier in history and a pioneering figure for women in the sciences.