Shelley, Mary WollstonecraftShel‧ley, Ma‧ry Woll‧stone‧craft /ˈʃeli, ˈmeəri ˈwʊlstənkrɑːft $ -kræft/(1797–1851) an English writer, whose best-known novel is frankenstein. She was married to Percy Bysshe shelley, and was the daughter of the feminist writer Mary wollstonecraft.