Hennessy

• Hennessey

Anglicized from Irish Ó hAonghusa (“descendant of Angus”).

• IPA^(key): /ˈhɛnəsi/

Hennessy (plural Hennessys)

1. A surname from Irish.

• Henny

• According to the 2010 United States Census, Hennessy is the 3790^th most common surname in the United States, belonging to 9338 individuals. Hennessy is most common among White (94.73%) individuals.

• Hanks, Patrick, editor (2003), “Hennessy”, in Dictionary of American Family Names, volume 2, New York: Oxford University Press, →ISBN, page 164.