Olivia vs Oneika

Baby Name Comparison — 2026

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

Playground Safety Score

✓ All Clear

Similar Names

Vivian Elliana Hannah Reese

Full profile for Olivia →

Oneika

Girl #61,926 Most Popular

Quick Stats

Popularity Rank: #61,926
Total SSA Count: 5
Nicknames: One, Onei, Oneiy

Playground Safety Score

✓ All Clear

Similar Names

Sebrinia Dindi Dichelle Shalaunda

Full profile for Oneika →

Popularity Comparison

Olivia Rank #1

Oneika Rank #61,926

Olivia is more popular, ranked #1 vs #61926 for Oneika.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Olivia ___

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

Oneika ___

No pairings available yet.

Sibling Name Ideas

Names that pair well as siblings.

If you choose Olivia

Liam Noah Charlotte Emma Sophia

If you choose Oneika

No sibling data available yet.

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 Olivia or Oneika more popular?

Olivia is more popular, ranked #1 compared to Oneika at #61926 in the United States.

What do Olivia and Oneika mean?

Olivia means "olive tree" (Latin origin).

Are Olivia and Oneika boy or girl names?

Olivia is primarily a girl name. Oneika is primarily a girl name.

More Comparisons

Oneika vs Olivia Olivia vs Vivian Olivia vs Elliana Olivia vs Hannah Olivia vs Reese

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