List of Famous people with last name O-brien

Mary O'Brien

First Name Mary

Last Name O'Brien

Died on August 30, 1716

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Lady Elizabeth O'Brien

First Name Lady

Last Name O'Brien

Died on June 3, 1688

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Lady Mary O'Brien

First Name Lady

Last Name O'Brien

Died on November 9, 1735

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Augusta Louisa Jane O'Brien

First Name Augusta

Last Name O'Brien

Died on January 15, 1861

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Denis O'Brien

First Name Denis

Last Name O'Brien

Born on April 19, 1958 (age 68)

Net Worth $4.6B

Billionaire

Denis O'Brien is an Irish billionaire businessman, and the founder and owner of Digicel and Communicorp. He was listed among the World's Top 200 Billionaires in 2015 and is also Ireland's richest native-born citizen. His business interests have also extended to aircraft leasing, utilities support (Actavo), petroleum, and football (soccer), being a minority shareholder of Celtic F.C. As former chairman of the Esat Digifone consortium, O'Brien was questioned by the Moriarty Tribunal, which investigated the awarding of a mobile phone licence to Esat, among other things.

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