The Canadian Encyclopedia — neutral, cited, updated
July 27, 2026Sources cited
Canadianwire.
Canada’s encyclopedia & explainer
HomeBusiness & MoneyShipping TycoonAristotle Onassis
Business & Money • Shipping Tycoon

Aristotle Onassis

Aristotle Onassis was a Greek-Argentine business magnate and shipping tycoon who became one of the world’s richest men in the 20th century.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 27, 2026|2 min read| Fact-checked

Aristotle Onassis was a Greek-Argentine business magnate and shipping tycoon who became one of the world’s richest men in the 20th century. He built a major shipping empire, including a large fleet of tankers and freighters, and later founded Olympic Airways. He is also widely known for his marriage to Jacqueline Kennedy Onassis.

Early life

Onassis was born in Smyrna in 1906 and later left the region amid the upheavals of the early 20th century. Sources indicate he moved to Argentina as a young man, where he began building his business career.

Business career

He first earned money in tobacco and then moved into shipping, where he became especially successful. His fleet expanded into tankers and freighters and became one of the most prominent private shipping operations of his era.

Olympic Airways

Onassis founded Olympic Airways in 1957. The airline became one of his best-known non-shipping business ventures and is frequently mentioned in accounts of his career.

Personal life

Onassis was known internationally for his high-profile relationships and marriages, especially to Jacqueline Kennedy Onassis. His personal life attracted substantial media attention during his lifetime and afterward.

Key facts

  • Born into a Greek family in Smyrna and later moved to Argentina.
  • Made his early fortune in tobacco before expanding into shipping.
  • Built a large fleet of tankers and freighters, becoming a major figure in global shipping.
  • Founded Olympic Airways in 1957.
  • Married Athina Livanos and later Jacqueline Kennedy Onassis.
🍁
Canadian context

Onassis is of interest to Canadian readers mainly as a globally prominent business figure and as a historic public figure linked to international shipping, aviation, and the Kennedy family.

Frequently asked questions

Who was Aristotle Onassis?
He was a Greek-Argentine shipping magnate and business tycoon who built a major global shipping empire.
What was Aristotle Onassis known for?
He was best known for his shipping business, his wealth, and his marriage to Jacqueline Kennedy Onassis.
Where was Aristotle Onassis born?
He was born in Smyrna, which is now İzmir in Turkey.
Did Aristotle Onassis found an airline?
Yes. He founded Olympic Airways in 1957.
When did Aristotle Onassis die?
He died on 15 March 1975 in Neuilly-sur-Seine, France.

References

  1. Wikipediahttps://en.wikipedia.org/wiki/Aristotle_Onassis
    Supports: Full name, birth and death dates, nationality, and general biography.
  2. Simple English Wikipediahttps://simple.wikipedia.org/wiki/Aristotle_Onassis
    Supports: Shipping magnate identity and founder of Olympic Airways.
  3. Biography.comhttps://www.biography.com/celebrities/aristotle-onassis
    Supports: Early tobacco business, shipping career, spouse information, and personal life.
  4. HISTORYhttps://www.history.co.uk/biographies/aristotle-onassis
    Supports: Move to Argentina, tobacco and shipping career, and prominence in shipping.
  5. EBSCO Research Startershttps://www.ebsco.com/research-starters/history/aristotle-onassis
    Supports: Early life, business growth, shipping empire, Olympic Airways, and death details.
  6. Encyclopaedia Britannicahttps://www.britannica.com/money/Aristotle-Socrates-Onassis
    Supports: Shipping magnate description, large tanker and freighter fleet, and birth/death details.