John Stuart Mill was born on May 20, 1806.

John Stuart Mill was born on May 20, 1806.

John Stuart Mill was born on May 20, 1806 and died on May 8, 1873. John Stuart Mill would have been 66 years old at the time of death or 209 years old today.

John Stuart Mill died of erysipelas, a bacterial infection, in Avignon, France in 1873 at the age of 66. He had been weakened by a flu-like illness before succumbing to the infection.

John Stuart Mill died on May 8, 1873 at the age of 66.