Ordained in 1899. Taught at the college of Pontlevoy, France. Entered the Congregation of the Holy Ghost at Orly, France in 1902. Missionary to Saint-Louis, Senegal in 1903. His health suffered, and he returned to France in 1911.
At the request of Bishop Jalabert, he conducted a fund-raising campaign to build a cathedral in Dakar, Senegal; he promoted the structure as a way to honour Africans who had died for France, and French who had died for Africa. The cathedral was consecrated on 2 February 1936, just a few weeks before his death.
Chaplain in the French army in World War I. Cited six times for bravery, awarded the Croix de Guerre and the Legion of Honour; he attributed his survival on the front lines to the intercession of Saint Therese of Lisieux, and built a chapel for her at Auteuil when she was canonized. After the war he administered the Orphan Apprentices of Auteuil. Honoured in his life and today as a man who put the family of God above considerations of nationality or race.
- 28 February 1936 of natural causes at Paris, France of natural causes
- 15,000 Parisiens turned out to honour him, and Cardinal Verdier preached his funeral homily
- “Blessed Daniel Brottier“. Saints.SQPN.com. 27 February 2015. Web. 28 February 2015. <>