Start your family tree now Is your surname Onassis?
There are already 22 genealogy profiles with the Onassis surname on Geni. Join now to find your relatives.

Onassis Genealogy and Onassis Family History Information

‹ Back to Surnames Index

Create your Family Tree.
Discover your Family History.

  • Build your family tree online
  • Share photos and videos
  • Smart Matching™ technology
  • Free!


view all


  • Alexander S. Onassis (1948 - 1973)
    Socrates Onassis ( April 30, 1948 – January 23, 1973) was a Greek businessman. He was the son of the Greek shipping magnate Aristotle Onassis and his first wife Tina Livanos. He and his sister Christin...
  • Aristotle Socrates Onassis (1906 - 1975)
    Greek tycoon, secon husband of former First Lady Jacqueline Kennedy Onassis. Born January 20, 1900 although he claimed to have been born January 20, 1906. Links Wikipedia: English , Ελληνικά , Español
  • Christina Onassis (1950 - 1988)
    Onassis (11 December 1950 – 19 November 1988) was an American-born, Greek Argentine businesswoman, socialite, and heiress to the Onassis fortune. Early life and family Christina Onassis, the only dau...
  • Jacqueline Kennedy Onassis (1929 - 1994)
    Married in St. Mary's Church, Newport, R.I. The reception was held at the Hammersmith Farm in a Victorian house. Wedding night at Waldorf- Astoria, N.Y.C., N.Y., and then honeymooned in Acapulco, Mexic...
  • Omiros Onassis (1960 - 1960)

About the Onassis surname

This section is a placeholder for information about the Onassis surname. Surname information is crowd-sourced; the Geni community would be grateful if you helped update this page with information about the Onassis surname.

Share some things about the Onassis name.