Billion vs Ennis

Baby Name Comparison — 2026

Billion

Boy #6,121 Most Popular 2 Syllables

Meaning

"one thousand million, immense wealth"

Origin: English/French

Cultural Roots

American English

Quick Stats

Popularity Rank
#6,121
Total SSA Count
15
Syllables
2
Formality
Casual
Nicknames
Billy, Bill, Billie

Playground Safety Score

✓ All Clear
Full profile for Billion →

Ennis

Boy #6,096 Most Popular 2 Syllables

Meaning

"island"

Origin: Irish Gaelic

Cultural Roots

Irish Scottish English American

Quick Stats

Popularity Rank
#6,096
Total SSA Count
15
Syllables
2
Formality
Moderate
Nicknames
En

Playground Safety Score

✓ All Clear
Full profile for Ennis →

Popularity Comparison

Billion Rank #6,121
Ennis Rank #6,096

Ennis is more popular, ranked #6096 vs #6121 for Billion.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Billion ___

  • Billion James
  • Billion Lee
  • Billion Scott
  • Billion Ray
  • Billion Cole
  • Billion Dean

Ennis ___

  • Ennis James
  • Ennis Patrick
  • Ennis Michael
  • Ennis Thomas
  • Ennis Conor

Sibling Name Ideas

Names that pair well as siblings.

If you choose Billion

Ace Chance Rebel Sterling Major

If you choose Ennis

Declan Finn Cormac Siobhan Niamh

Which Name Fits Your Family?

Answer 3 quick questions and we'll help you decide.

1. Which style feels more like your family?

Frequently Asked Questions

Is Billion or Ennis more popular?

Ennis is more popular, ranked #6096 compared to Billion at #6121 in the United States.

What do Billion and Ennis mean?

Billion means "one thousand million, immense wealth" (English/French origin). Ennis means "island" (Irish Gaelic origin).

Are Billion and Ennis boy or girl names?

Billion is primarily a boy name. Ennis is primarily a boy name.

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← Full profile: Billion ← Full profile: Ennis Browse all baby names