Despite facing the challenges of poverty and societal biases as a woman in science during the 19th century, Mary refused to be confined by the limitations imposed on her. From a young age, she learned the art of fossil hunting from her father, a skill that would become her lifelong pursuit. Her keen eye and relentless determination led her to uncover some of the most significant paleontological discoveries of her time, including the first complete Ichthyosaurus skeleton and the first Plesiosaurus remains.