Dilys vs Mack

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 →

Popularity Comparison

Dilys Rank #69,211
Mack Rank #499

Mack is more popular, ranked #499 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

Mack ___

  • Mack James
  • Mack William
  • Mack Henry
  • Mack Thomas
  • Mack Edward
  • Mack Owen

Sibling Name Ideas

Names that pair well as siblings.

If you choose Dilys

Rhiannon Seren Anwen Gethin Rhodri

If you choose Mack

Jack Quinn Finn Nora Isla

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 Mack more popular?

Mack is more popular, ranked #499 compared to Dilys at #69211 in the United States.

What do Dilys and Mack mean?

Dilys means "genuine, true, perfect" (Welsh origin). Mack means "son of" (Scottish Gaelic origin).

Are Dilys and Mack boy or girl names?

Dilys is primarily a girl name. Mack is primarily a boy name.

More Comparisons

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