Hennessey vs Olivia

Baby Name Comparison — 2026

Hennessey

Girl #54,728 Most Popular

Quick Stats

Popularity Rank: #54,728
Total SSA Count: 5
Nicknames: Hen, Henn, Henny

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Similar Names

Ahjah Vanicia

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Olivia

Girl #1 Most Popular 4 Syllables

Meaning

"olive tree"

Origin: Latin

Cultural Roots

English Italian American

Quick Stats

Popularity Rank: #1
Total SSA Count: 14,718
Syllables: 4
Formality: Moderate
Nicknames: Liv, Livvy, Oli

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Similar Names

Athena Brooklyn Alice Lydia

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Popularity Comparison

Hennessey Rank #54,728

Olivia Rank #1

Olivia is more popular, ranked #1 vs #54728 for Hennessey.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Hennessey ___

No pairings available yet.

Olivia ___

Olivia Rose
Olivia Grace
Olivia Jane
Olivia Mae
Olivia Claire
Olivia Jade

Sibling Name Ideas

Names that pair well as siblings.

If you choose Hennessey

No sibling data available yet.

If you choose Olivia

Liam Noah Charlotte Emma Sophia

Which Name Fits Your Family?

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1. Which style feels more like your family?

Frequently Asked Questions

Is Hennessey or Olivia more popular?

Olivia is more popular, ranked #1 compared to Hennessey at #54728 in the United States.

What do Hennessey and Olivia mean?

Olivia means "olive tree" (Latin origin).

Are Hennessey and Olivia boy or girl names?

Hennessey is primarily a girl name. Olivia is primarily a girl name.

More Comparisons

Olivia vs Hennessey Hennessey vs Ahjah Hennessey vs Vanicia Hennessey vs Athena Hennessey vs Brooklyn

← Full profile: Hennessey ← Full profile: Olivia Browse all baby names