A cotton dealer from Le Havre, France, he boarded Titanic at Cherbourg as a first class passenger. 

He was playing auction bridge in the Café Parisien with Pierre Maréchal, Paul Chevré and Lucian Philip Smith when the collission occurred.

Chevré, Maréchal and Omont were all rescued in lifeboat 7.

Omont died on 18 March 1948