Cailo vs Darlene

Baby Name Comparison — 2026

Cailo

Boy #15,816 Most Popular 2 Syllables

Meaning

"rejoice, happy"

Origin: Welsh / Latin Gaius

Cultural Roots

English Welsh Modern American

Quick Stats

Popularity Rank
#15,816
Total SSA Count
7
Syllables
2
Formality
Casual
Nicknames
Kai, Cai, Kay

Playground Safety Score

✓ All Clear
Full profile for Cailo →

Darlene

Girl #1,803 Most Popular 2 Syllables

Meaning

"darling, dear beloved one"

Origin: American English

Cultural Roots

American English

Quick Stats

Popularity Rank
#1,803
Total SSA Count
111
Syllables
2
Formality
Casual
Nicknames
Dar, Darley, Dee

Playground Safety Score

✓ All Clear
Full profile for Darlene →

Popularity Comparison

Cailo Rank #15,816
Darlene Rank #1,803

Darlene is more popular, ranked #1803 vs #15816 for Cailo.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Cailo ___

  • Cailo James
  • Cailo River
  • Cailo Fox
  • Cailo Reid
  • Cailo Jude
  • Cailo Finn

Darlene ___

  • Darlene Marie
  • Darlene Ann
  • Darlene Jean
  • Darlene Sue
  • Darlene Lynn
  • Darlene Kay

Sibling Name Ideas

Names that pair well as siblings.

If you choose Cailo

Zara Mila Nova Lyra Axel

If you choose Darlene

Charlene Marlene Gary Dennis Cheryl

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 Cailo or Darlene more popular?

Darlene is more popular, ranked #1803 compared to Cailo at #15816 in the United States.

What do Cailo and Darlene mean?

Cailo means "rejoice, happy" (Welsh / Latin Gaius origin). Darlene means "darling, dear beloved one" (American English origin).

Are Cailo and Darlene boy or girl names?

Cailo is primarily a boy name. Darlene is primarily a girl name.

More Comparisons

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← Full profile: Cailo ← Full profile: Darlene Browse all baby names