[3][4][5] Decugis' father was a merchant at Les Halles, the company's name was Omer Décugis et fils,[6] however the accent mark on the é is missing from Max Decugis' birth certificate, and appears inconsistently in later English-speaking sources such as the Ayres' Almanacks edited by Arthur Wallis Myers, but apparently never in any French-speaking sources.

The origin of the family name Décugis, spelled with accented é in an 1842 source, is "from Cuges-les-Pins.

[8] After the death of Marie in 1969, Max married Suzanne Louise Duval in October.

The interruption of World War I denied Decugis the opportunity to defend his 1914 title.

A. Wallis Myers of The Daily Telegraph ranked Decugis as world No.