Elisa de Lamartine, (Born: Mary Ann Elisa Birch; 1790–1863), also known as Marianne de Lamartine, was a French painter and sculptor believed to be of English ancestry.

She was the daughter of Major William Henry Birch and Christina Cordelia Reessen, and was baptized on 31 May 1792 at the parish of Saint Anne in Soho, City of Westminster, in London.

[2][4] The couple had two children: Félix Marie Emilius Alphonse de Lamartine (born in Rome, Italy in 1821 and died in Paris in December 1822 of fever before reaching two) and Marie Louise Julie de Lamartine, known as Julia, (born in Mâcon, France 14 May 1822).

[5] In 1843, Lamartine worked with her teacher, the sculptor François Jouffroy, on a font made of Trinitarian marble at the church of St. Germain l'Auxerrois in Paris, which was described as "a holy water font executed on the drawings of Mme de Lamartine, puppets parading around a cross.

"[6] Lamartine was known as a painter, watercolorist, sculptor, draftswoman, illustrator and musician.