Dubray was born on 31 December 1923 in Joinville-le-Pont, a commune in the southeastern suburbs of Paris, France.
[1] Dubray joined the Resistance in December 1942,[2] enlisting in the Alsace Lorraine des Francs-Tireurs et Partisans (FTP).
[2] Later identified by the Gestapo and surrounded, he escaped and fled to Brittany,[2] where he joined the 1st battalion of the French Forces of the Interior (FFI) in Morbihan.
[1] Dubray's profile is on a 20 centimes commemorative postage stamp issued on 22 April 1961,[note 1] one of the Heroes of the Resistance set, twenty-three stamps issued from 1957 to 1961 honoring twenty-seven members of the Resistance who had died during the German Occupation of France.
[4] In his honor, a street has been named Rue Lionel Dubray in Athis-Mons, a commune in the southern suburbs of Paris, and a plaque has been attached to his childhood home at 12 Avenue Foch in Joinville-le-Pont.