Dilys vs Olivia

Baby Name Comparison — 2026

Dilys

Girl #69,211 Most Popular 2 Syllables

Meaning

"genuine, true, perfect"

Origin: Welsh

Cultural Roots

Welsh British

Quick Stats

Popularity Rank
#69,211
Total SSA Count
5
Syllables
2
Formality
Moderate
Nicknames
Dil, Dilly

Playground Safety Score

✓ All Clear
Full profile for Dilys →

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

Dilys Rank #69,211
Olivia Rank #1

Olivia is more popular, ranked #1 vs #69211 for Dilys.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Dilys ___

  • Dilys Rose
  • Dilys Mae
  • Dilys Grace
  • Dilys Anne
  • Dilys Jane

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 Dilys

Rhiannon Seren Anwen Gethin Rhodri

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 Dilys or Olivia more popular?

Olivia is more popular, ranked #1 compared to Dilys at #69211 in the United States.

What do Dilys and Olivia mean?

Dilys means "genuine, true, perfect" (Welsh origin). Olivia means "olive tree" (Latin origin).

Are Dilys and Olivia boy or girl names?

Dilys is primarily a girl name. Olivia is primarily a girl name.

More Comparisons

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