Onassis is a Greek surname that originates from the Greek word 'ονάσσας' which means 'owner of donkeys'. This surname is often associated with Aristotle Onassis, the prominent Greek businessman and shipping magnate who was born into a wealthy family in Turkey. The name has also been used as a given name in some cases, but it is more commonly found as a surname.
"From 1968 to 1997, the name Onassis had a total of 18 births, with peak years being 1968 and 1997."