Louis Mercier
- Born on August 4, 1856 in Anzin
- Deceased in Marcq-en-Barœul
Family
- Married on May 27, 1882 in Marcq-en-Barœul, with Marie Émilie Julie de Bailleul (1863 - 1897), issuing
Marie Louise Germaine (1888 - 1927)- Madeleine Suzanne (1896 - )
Occupations
- ingénieur