[1] He was born in Saint-Jacques, Canada East on October 25, 1841 and left in 1866 to find work first in the eastern United States, then in Minnesota.
After working as a clerk and freighter around Pembina, Dakota Territory, he opened a trading post in 1871 at Wood Mountain, Saskatchewan then a Métis hivernant settlement.
[2][3] Between 1876 and 1881 nearly 5,000 Sioux and their chief Sitting Bull took refuge in the Wood Mountain region after the Battle of the Little Big Horn and traded at his post.
[5] "On entering the fort, Sitting Bull is reported to have said to the American officers: "I heard that the Government want me to return, Jean Louis told me so I took his word And Came Back With my friend.
"The people of Saskatchewan hereby recognize the heroic efforts, humane compassion and personal financial sacrifice made by Jean-Louis Légaré with respect to Chief Sitting Bull and his people during their years of refuge in what is now the Province of Saskatchewan."