Born in 1842 in Verchères, Quebec
Died in 1891 in Boston, Massachusetts
Lavallée began his musical education with his father, who taught him organ by age 11. At age 13, he performed a piano concert at the Théâtre royal de Montréal.
In 1857 Lavallée moved to the U.S. and lived in Rhode Island.
Calixa Lavallée was Union Army band musician during the American Civil War.
In the 1870s Lavallée returned to Montreal. In 1880, to celebrate St. Jean-Baptiste Day the Lieutenant Governor of Québec commissioned Lavallée to write a musical setting for a patriotic poem. The result was O Canada, with words by judge Adolphe-Basile Routhier.
Lavallée was twice president of the Académie de musique de Québec.
Verchères is an off-island suburb of Montreal, in Montérégie, located on the south bank of the Saint Lawrence River. The population is 5,692 (Canada 2011 Census).