Reilly vs Rennick

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 →

Rennick

Boy #2,612 Most Popular 2 Syllables

Meaning

"settlement at the clean/pure place"

Origin: Old English/Norse place name

Cultural Roots

Scottish American English

Quick Stats

Popularity Rank
#2,612
Total SSA Count
51
Syllables
2
Formality
Moderate
Nicknames
Ren, Rick

Playground Safety Score

8 High Risk

{:type=>:rhyme_pattern, :severity=>:low, :message=>"'Rennick' ending sounds like 'sick/thick/dick'"}

Full profile for Rennick →

Popularity Comparison

Reilly Rank #2,728
Rennick Rank #2,612

Rennick is more popular, ranked #2612 vs #2728 for Reilly.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Reilly ___

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

Rennick ___

  • Rennick James
  • Rennick Cole
  • Rennick Lee
  • Rennick Thomas
  • Rennick Grey
  • Rennick Wade

Sibling Name Ideas

Names that pair well as siblings.

If you choose Reilly

Finn Caitlin Declan Sienna Aidan

If you choose Rennick

Rowan Crew Hadley Brecken Piper

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 Reilly or Rennick more popular?

Rennick is more popular, ranked #2612 compared to Reilly at #2728 in the United States.

What do Reilly and Rennick mean?

Reilly means "courageous, valiant" (Irish Gaelic origin). Rennick means "settlement at the clean/pure place" (Old English/Norse place name origin).

Are Reilly and Rennick boy or girl names?

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

More Comparisons

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← Full profile: Reilly ← Full profile: Rennick Browse all baby names