Olivia vs Tammi

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

Cora Daisy Millie Magnolia

Full profile for Olivia →

Tammi

Girl #36,461 Most Popular

Quick Stats

Popularity Rank: #36,461
Total SSA Count: 6
Nicknames: Tam, Tay, Taie

Playground Safety Score

✓ All Clear

Similar Names

Fayla Buffy Sung Aren

Full profile for Tammi →

Popularity Comparison

Olivia Rank #1

Tammi Rank #36,461

Olivia is more popular, ranked #1 vs #36461 for Tammi.

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

Tammi ___

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 Tammi

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 Tammi more popular?

Olivia is more popular, ranked #1 compared to Tammi at #36461 in the United States.

What do Olivia and Tammi mean?

Olivia means "olive tree" (Latin origin).

Are Olivia and Tammi boy or girl names?

Olivia is primarily a girl name. Tammi is primarily a girl name.

More Comparisons

Tammi vs Olivia Olivia vs Cora Olivia vs Daisy Olivia vs Millie Olivia vs Magnolia

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