He studied sculpture under Jean Guillaume Moitte (1746–1810) at the École des Beaux-Arts in Paris.
He decorated the Louvre Palace stairway and made a statue of The Cuirassier (1807) for the Arc de Triomphe du Carrousel.
These included the painter Jean-Baptiste Debret (1768-1848), Auguste's brother the painter Nicolas Antoine Taunay (1755-1830), the engraver Charles-Simon Pradier (1786-1847)), the sculptor Marc Ferrez (1788-1850), his brother the engraver Zepherin Ferrez (1797-1851) and the architect Auguste-Henri-Victor Grandjean de Montigny (1776-1850).
[4] Taunay was appointed professor of sculpture at the Imperial Academy of Fine Arts in Rio, but did not take up the post.
In 1818 he worked with Grandjean de Montigny and Debret on the decorations of the Largo do Paço for the celebrations of the accession of King John VI of Portugal.