Novels:
* Castle Rackrent (1800): This novel is considered her most famous work. It's a satirical portrait of Irish society and the decline of an aristocratic family.
* Belinda (1801): A novel exploring themes of love, marriage, and social class.
* The Irish Bulls (1802): A collection of humorous stories about Irish wit and folklore.
* Leonora (1806): A Gothic novel with themes of love, revenge, and betrayal.
* Tales of Fashionable Life (1809-1812): A series of novels that satirize the follies of high society.
* Patronage (1814): A novel exploring the complexities of patronage and social climbing.
* Ormond (1817): A romance novel with themes of love, duty, and social justice.
* Harrington (1817): A novel focusing on the lives of two young men from different social classes.
* Helen (1834): A novel that deals with the themes of prejudice, love, and forgiveness.
Children's literature:
* The Parent's Assistant (1796): This collection of moral tales for children became incredibly popular and is considered a landmark work in children's literature.
* Popular Tales (1804): Another collection of stories for children, featuring tales of fairies, goblins, and other fantastical creatures.
Other works:
* Essays on Practical Education (1801): This work explored the principles of education for children.
* Letters for Literary Ladies (1806): A collection of essays on literary topics aimed at women.
* The Life and Correspondence of Richard Lovell Edgeworth, Begun by Himself and Concluded by his Daughter, Maria Edgeworth (1820): A biography of her father.
Maria Edgeworth's works were highly influential in her time, and her writing helped to shape the development of both children's literature and the novel. She is considered one of the most important figures in English literature of the 18th and 19th centuries.