MallowbyNames

Henessy

HEN-uh-see · Of uncertain origin; likely a modern invented name or respelling influenced by the surname Hennessy.

Peak popularity
2005
Usually for
Girls
Trend
Holding steady

Holding steady.

Popularity of Henessy since 1997

Babies named Henessy per year in U.S. Social Security records.

61319200020102020Most births 2005Girls
Data table (by decade)
DecadeGirls
1990s19
2000s88
2010s55
2020s0

Meaning & origin

Henessy is a modern, rare feminine name that first entered U.S. birth records in 1997. It is essentially a respelling of the Irish surname Hennessy, but its use as a first name is an American invention, likely chosen for its stylish and melodic quality. The name reached its highest popularity in 2005, though it has never appeared in the top 1000. In recent years, it has maintained a stable but very low frequency of use. The name has no recorded top states, further underscoring its rarity. Parents drawn to Henessy may appreciate its similarity to trendy surname-names like Kennedy or Mackenzie.

Henessy is a modern given name that first appeared in U.S. records in 1997. It is often considered a feminine respelling of the Irish surname Hennessy, derived from the Gaelic Ó hAonghusa meaning 'descendant of Aonghus.' However, as a first name, its usage is rare and likely chosen for its sound or fashionable spelling rather than ancestral meaning.

Nicknames & variants

Nicknames: Hen, Hennie, Ness

Variants: Hennessy

Sibling names for Henessy

Names that share Henessy's style, for a brother or sister.

A parent animal hugging its little one, the personalized name page

H is for Henessy, our favorite little girl.

H is for Henessy…”

In a Mallowby alphabet book, Henessy's letter becomes Henessy's page: hand-illustrated, printed hardcover or paperback, made just for them.

Make Henessy's book

Books for siblings or grandkids? The second book is 15% off.

Questions parents ask

What does the name Henessy mean?
Henessy is a modern spelling variant of Hennessy, an Irish surname meaning 'descendant of Aonghus.' As a given name, its meaning is not well-defined and is often chosen for its stylish sound.
Is Henessy a popular name?
Henessy is rare in the United States. It has never ranked among the top 1000 names, with its peak usage in 2005.
Is Henessy a girl's name or a boy's name?
Henessy is almost exclusively used as a girl's name in available data.