Caitlin vs Marlo

Baby Name Comparison — 2026

Marlo

Boy #1,696 Most Popular 2 Syllables

Meaning

"remnants of the lake"

Origin: Old English

Cultural Roots

American English

Quick Stats

Popularity Rank
#1,696
Total SSA Count
99
Syllables
2
Formality
Moderate
Nicknames
Mar, May, Maie

Playground Safety Score

✓ All Clear
Full profile for Marlo →

Popularity Comparison

Caitlin Rank #1,686
Marlo Rank #1,696

Caitlin is more popular, ranked #1686 vs #1696 for Marlo.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Caitlin ___

  • Caitlin Marie
  • Caitlin Ann
  • Caitlin Elizabeth
  • Caitlin Rose
  • Caitlin Grace
  • Caitlin Louise

Marlo ___

  • Marlo James
  • Marlo Ray
  • Marlo Lee
  • Marlo Finn
  • Marlo West

Sibling Name Ideas

Names that pair well as siblings.

If you choose Caitlin

Siobhan Fiona Ciara Declan Conor

If you choose Marlo

Arlo Harlow Cora Marlowe Beckett

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 Caitlin or Marlo more popular?

Caitlin is more popular, ranked #1686 compared to Marlo at #1696 in the United States.

What do Caitlin and Marlo mean?

Caitlin means "pure, clear" (Greek via Irish origin). Marlo means "remnants of the lake" (Old English origin).

Are Caitlin and Marlo boy or girl names?

Caitlin is primarily a girl name. Marlo is primarily a boy name.

More Comparisons

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← Full profile: Caitlin ← Full profile: Marlo Browse all baby names