John L. Sullivan was born on October 15, 1858 and died on February 2, 1918. John L. Sullivan would have been 59 years old at the time of death or 153 years old today.
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Francis L. Sullivan was born on January 6, 1903 and died on November 19, 1956. This would have been 53 years old at the time of death or 107 years old today.