91 years old (October 16, 1758 - May 28, 1843) he was 85 the math is wrong
Noah Webster was born on October 16, 1758 and died on May 28, 1843. Noah Webster would have been 84 years old at the time of death or 253 years old today.
Born 16th October 1758
May 25,1843.
between 70 years and 0 months and 70 years and 11 months old