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Hennessy


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Origin Of The Surname Hennessy

Meaning Of The Surname Hennessy

Descendant of the Unique One

Interesting Facts About Hennessy

Hennessy is an Anglicisation of the Old Gaelic surname O’hAonghusa. The prefixed ‘O’ in this surname denotes that it is patronymic. Traditionally, Gaelic patronymic surname were given to pass down the name of a clan chieftain or revered elder. In this case the name being passed down is Aonghus. This name is made up of the Gaelic elements ‘aong’ meaning one or individual, and ‘ghus’ meaning choice, therefore the name means ‘The Unique One’. Peter Hennessy the English historian is a famous bearer of this surname.

Hennessy Statistics

Hennessy is the number 1101 ranked surname in the United Kingdom. According to our statistics around 9,339 share the surname Hennessy in the UK.

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