He is very much alive today.
if you mean DIED well no, he does not die in real life in Titanic. he is alive ;)
In Titanic Jack Dawson ( Leonardo DiCaprio) does die at the end.
Jusepe Leonardo died in 1652.
Leonardo Corona died in 1605.
Leonardo Sinisgalli died in 1981.
Leonardo Bazzaro died in 1937.
Leonardo Alishan died in 2005.
Leonardo Fea died in 1903.
Leonardo Vitetti died in 1973.
Leonardo Bianchi died in 1927.
Leonardo Dati died in 1425.