In addition to speaking and writing pamphlets and articles concerning abolitionism, May was a leading advocate in women's rights and suffrage. Most notably, he wrote The Rights and Condition of Women in 1846 in favor of giving women the right to vote and allowing them equality in all aspects of life.
May was a vocal advocate for women's rights and equality, particularly evident through his writings on the subject. His work "The Rights and Condition of Women" in 1846 aimed to secure voting rights for women and promote their equal status in society.