Jean Marie Le Bris was born in Concarneau, Brittany, France on 25 March 1817 at 5AM local time.

[6] In late 1856, Jean Marie Le Bris flew briefly with this aircraft on the beach of Sainte-Anne-la-Palud (Plonévez-Porzay, Brittany), nearby Tréfeuntec in the Douarnenez Bay.

In 1868, with the support of the Imperial French Navy, he built a second flying machine, called L'Albatros, which was tried in Brest at the artillery polygon of Saint Pierre Quilbignon.

According to De La Landelle, the aircraft made a few flights, including a 200-m long glide, before being damaged beyond repair after a crash.

In March 1868, Jean Marie Le Bris learned of the death of his son, during his military service, onboard of the frigate La Magicienne sailing nearby Montevideo, Uruguay.

He took part in the combats in Western France: the battle of Le Mans, and the subsequent fights in Sarthe and Mayenne.

[13] In 1871, Jean Marie Le Bris was appointed law enforcement officer (agent de police) by the mayor of Douarnenez.

On 7 September 1871 Le Bris and fellow policeman Yves Corentin Larhant intervened at a ball to stop a fight between two guests.