Not to be grim, but he was the perfect age class to spend 4 years in the trenches...

The French males born in 1894 had a 92% mobilization rate (those who survived infant mortality that was still huge at the time). In 1920, only 48% of this age class was still alive (the big three killer being infant mortality, combat losses and the "Spanish" (Kansas) flu).

See figure 2a in https://shs.cairn.info/revue-population-et-societes-2014-4-p...