Oliver vs Reilly

Baby Name Comparison — 2026

Reilly

Girl #2,728 Most Popular 2 Syllables

Meaning

"courageous, valiant"

Origin: Irish Gaelic

Cultural Roots

Irish American Australian

Quick Stats

Popularity Rank
#2,728
Total SSA Count
63
Syllables
2
Formality
Casual
Nicknames
Rei, Reil

Playground Safety Score

✓ All Clear
Full profile for Reilly →

Popularity Comparison

Oliver Rank #3
Reilly Rank #2,728

Oliver is more popular, ranked #3 vs #2728 for Reilly.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Oliver ___

  • Oliver James
  • Oliver Thomas
  • Oliver William
  • Oliver Henry
  • Oliver John
  • Oliver Benjamin

Reilly ___

  • Reilly Grace
  • Reilly Ann
  • Reilly Mae
  • Reilly Kate
  • Reilly Claire
  • Reilly Rose

Sibling Name Ideas

Names that pair well as siblings.

If you choose Oliver

Olivia Charlotte Emma Sophia Amelia

If you choose Reilly

Finn Caitlin Declan Sienna Aidan

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 Oliver or Reilly more popular?

Oliver is more popular, ranked #3 compared to Reilly at #2728 in the United States.

What do Oliver and Reilly mean?

Oliver means "olive tree" (Latin origin). Reilly means "courageous, valiant" (Irish Gaelic origin).

Are Oliver and Reilly boy or girl names?

Oliver is primarily a boy name. Reilly is primarily a girl name.

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