Catherine Helen Spence (1825-1910) was an Australian author, political activist, and suffragist. Born in Melrose, Scotland, she emigrated to South Australia in 1839. Spence is known for her contributions to literature and her advocacy for social reform, particularly in education and women's rights. She was one of the first women to run for political office in Australia. In addition to her writing, Spence played a significant role in the movement for women's suffrage in Australia. She was a strong proponent of the Australian Federation and worked tirelessly to promote democratic reforms. Her legacy includes her influence on both literature and the advancement of women's rights in the country.