Kelsey vs Monica

Baby Name Comparison — 2026

Kelsey

Girl #670 Most Popular 2 Syllables

Meaning

"Ceol's island, ship island"

Origin: Old English

Cultural Roots

American English

Quick Stats

Popularity Rank
#670
Total SSA Count
430
Syllables
2
Formality
Casual
Nicknames
Kels

Playground Safety Score

✓ All Clear
Full profile for Kelsey →

Monica

Girl #726 Most Popular 3 Syllables

Meaning

"advisor, counselor"

Origin: Latin

Cultural Roots

Latin Italian Spanish English African

Quick Stats

Popularity Rank
#726
Total SSA Count
388
Syllables
3
Formality
Moderate
Nicknames
Mon, Moni, Mona

Playground Safety Score

✓ All Clear
Full profile for Monica →

Popularity Comparison

Kelsey Rank #670
Monica Rank #726

Kelsey is more popular, ranked #670 vs #726 for Monica.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kelsey ___

  • Kelsey Ann
  • Kelsey Marie
  • Kelsey Grace
  • Kelsey Lynn
  • Kelsey Jane
  • Kelsey Renee

Monica ___

  • Monica Grace
  • Monica Ann
  • Monica Rose
  • Monica Elaine
  • Monica Leigh
  • Monica Claire

Sibling Name Ideas

Names that pair well as siblings.

If you choose Kelsey

Ashley Brittany Megan Tyler Brandon

If you choose Monica

Rachel Phoebe Ross Jennifer Chandler

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 Kelsey or Monica more popular?

Kelsey is more popular, ranked #670 compared to Monica at #726 in the United States.

What do Kelsey and Monica mean?

Kelsey means "Ceol's island, ship island" (Old English origin). Monica means "advisor, counselor" (Latin origin).

Are Kelsey and Monica boy or girl names?

Kelsey is primarily a girl name. Monica is primarily a girl name.

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← Full profile: Kelsey ← Full profile: Monica Browse all baby names