Llewelyn vs Olivia

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
Full profile for Olivia →

Popularity Comparison

Llewelyn Rank #4,551
Olivia Rank #1

Olivia is more popular, ranked #1 vs #4551 for Llewelyn.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Llewelyn ___

  • Llewelyn Rhys
  • Llewelyn Owen
  • Llewelyn James
  • Llewelyn Gareth
  • Llewelyn Tudor
  • Llewelyn Evan

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 Llewelyn

Rhiannon Gwyneth Rhodri Cerys Emrys

If you choose Olivia

Liam Noah Charlotte Emma Sophia

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 Llewelyn or Olivia more popular?

Olivia is more popular, ranked #1 compared to Llewelyn at #4551 in the United States.

What do Llewelyn and Olivia mean?

Llewelyn means "leader, ruler" (Welsh llyw origin). Olivia means "olive tree" (Latin origin).

Are Llewelyn and Olivia boy or girl names?

Llewelyn is primarily a boy name. Olivia is primarily a girl name.

More Comparisons

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