James McKeen Cattell died on January 20, 1944 at the age of 83.
James McKeen Cattell was born on May 25, 1860 and died on January 20, 1944. James McKeen Cattell would have been 83 years old at the time of death or 155 years old today.
William McKeen is 56 years old (birthdate: September 16, 1954).
56
he died of old age and pour health
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James Ussher died on March 21, 1656 at the age of 75.
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James Munro died at the age of 76 on February 25, 1908.
James Hall died on June 23, 1832 at the age of 71.
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James Francis died at the age of 65 on January 25, 1884.