On his first birthday he would have been one year old.
This is a true answer to your question but perhaps not the one you expected. That is because your question is phrased in such a vague way we do not know what it is you actually wanted.
(eg How old was Chester Arthur when the got married - died - had his first child - took up a certain position etc.)
Chester Arthur was 57 when he died.
Chester A. Arthur was born on October 5, 1829 and died on November 18, 1886. Chester A. Arthur would have been 57 years old at the time of death or 185 years old today.
Chester A. Arthur died on November 18, 1886 at the age of 57.
Chester A Arthur
Chester Arthur was 51 when he was elected vice-president. He was never elected President but was still 51 when became president.
No, Chester A Arthur is not single.
Chester A Arthur is a/an Politician,lawyer
Chester Alan Arthur
Yes, Chester A Arthur has 3 kids.
Yes, Chester A Arthur has 3 kids.
Chester A Arthur has 3 children
Chester A Arthur has 3 children