[2] In 1896, his first season with the LSU Tigers, Jeardeau led the team to a 6–0 record and a Southern Intercollegiate Athletic Association (SIAA) championship.

He was also the head coach of the LSU Tigers baseball team in 1898.

[citation needed] Jeardeau was a graduate of the Platteville Normal School and a student at Harvard University.

He died of pneumonia on April 10, 1900, at his home near Platteville, Wisconsin.

This biographical article relating to a college football coach first appointed in the 1890s is a stub.