Last name Hennerty (Hennerty 
) , all around the world, is a very rare family name. The cognomen Hennerty is habitual in the United States, where it is a very rare surname, Canada, where it is an extremely rare surname, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Hennerty | United Kingdom, Canada, United States |
| m. hennerty British civilian maritime 1st Radio Officer decorated for bravery aboard the 'Auris', on 28 June 1941 |
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