60 years old
Another AnswerAlthough The Bible does not say how old John lived for, according to Ephesian tradition John was a very very old man when he died. If John was 25 when Christ died in 32AD, this would make him born 7AD, and as scholars put the date of John's book of Revelation at 96AD, he would have then been 89. If he died the next year it would make him at least 90 when he died: he could have been even older.
John 21
20 Then Peter, turning about, seeth the disciple whom Jesus loved [John] following;...
21 Peter seeing him saith to Jesus, Lord, and what shall this man do?
22 Jesus saith unto him, If I will that he tarry till I come, what is that to thee? follow thou me.
23 Then went this saying abroad among the brethren, that that disciple should not die: yet Jesus said not unto him, He shall not die; but, If I will that he tarry till I come, what is that to thee?
St. John, also known as Saint John the Apostle, is believed to have died around 100 AD, making him around 90 years old at the time of his death.
We only know he died some time before Jesus, so I would say any time in the early 1st Century CE.
The nickname for St. John is "Love City".
Saint John Baptist De La Salle died in the year 1719.
St. John Neumann was born on March 28, 1811.
Catholic AnswerThe only thing we know about St. Zachariah, the father of St. John the Bapist, is that he was an old man when St. John was born. Back in that day, an old man would have been anyone over 40, so we can safely put his birth back to the first century A.D., say around 40 B.C. or a little earlier, but we do not have a date in the Bible, which is our only source of information.
Although many fanciful traditions about the deaths of the apostles grew up over the centuries, we do not really know how any of them died, but tradition says that the apostle John died of natural causes as an old man. However, we do not really know how John died.
John St Aubyn died on August 10, 1839 at the age of 81.
Mark St. John died on April 5, 2007 at the age of 51.
Henry St John died on December 12, 1751 at the age of 73.
John St Aubyn was born on May 17, 1758 and died on August 10, 1839. John St Aubyn would have been 81 years old at the time of death or 257 years old today.
Mark St. John was born on February 7, 1956 and died on April 5, 2007. Mark St. John would have been 51 years old at the time of death or 59 years old today.
Henry St John was born on September 16, 1678 and died on December 12, 1751. Henry St John would have been 73 years old at the time of death or 336 years old today.
St. John Richardson Liddell died on February 14, 1870 at the age of 54.
St. John Richardson Liddell was born on September 6, 1815 and died on February 14, 1870. St. John Richardson Liddell would have been 54 years old at the time of death or 199 years old today.
Old St. John's Church was created in 1889.
St. John O'Sullivan died in 1933.
St John Pike died in 1992.
Douglas St. John died in 1992.