Mr Louis August Dornier was born in Beaune, Burgundy, France on 16 October 1891. He was the only child of Joseph Dornier and the former Joséphine Emélie Germain.

When he signed-on to the Titanic on 6 April 1912, Dornier gave his address as 3 Orchard Place, Southampton. His previous ship had been the Olympic. He served as an Assistant Fish Cook in the à la carte restaurant managed by Luigi Gatti.

Louis August Dornier died in the sinking and his body, if recovered, was never identified.