The surname "Hennessy" is an Anglicised form of the Gaelic "? hAonghusa" meaning "son of Angus".
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Hennessy
I was born at March AFB California USA during Vietnam. I was adopted by know my birth name, half of my adoption paperwork says baby Heather and the other half was baby Hennessy. More than ever am trying to find my clan. Know I'm second generation Irish/American
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