Patsy O'Connell was born in Minneapolis, Minnesota. Her early life instilled in her a curiosity about the world around her.

From a young age, Patsy displayed a keen interest in science and experimentation, a characteristic that would define her future career. This early fascination was fostered by a supportive family environment that valued education.

Patsy graduated from high school, demonstrating a strong academic performance that positioned her well for higher education.

Patsy earned a Bachelor of Science degree in Chemistry and Mathematics from Gustavus Adolphus College in St. Peter, Minnesota. This foundational education equipped her with the necessary skills and knowledge for a career in scientific research.