About Hennessy
The surname Hennessy is of Irish origin and is derived from the Gaelic name "Ó hAonghusa," meaning "descendant of Aonghus." Aonghus is a Gaelic personal name derived from the elements "aon," meaning "one," and "gus," meaning "choice" or "vigor." The name Hennessy is commonly associated with County Clare in Ireland and is often spelled as Hennessey or Hennesy.
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The surname Hennessy is a unique entry in our records. Discover more about its distribution and characteristics:
Below is the ethnic distribution of the surname Hennessy based on recent US Census records. This is a brief glimpse into the diverse backgrounds of people carrying this surname.
Ranking information for the surname Hennessy is not currently available.
Here's how to represent Hennessy in Braille, each pattern of raised dots corresponds to a letter in the name.
The image below shows how you can spell Hennessy using American Sign Language (ASL). In sign language, each hand shape corresponds to a specific a letter of the name.