Coi vs Onslow

Baby Name Comparison — 2026

Onslow

Boy #15,100 Most Popular 2 Syllables

Meaning

"Ōn's hill; from the hill of Ōn"

Origin: Old English

Cultural Roots

English British

Quick Stats

Popularity Rank
#15,100
Total SSA Count
7
Syllables
2
Formality
Formal
Nicknames
Ons

Playground Safety Score

All Clear

Popularity Comparison

Coi Rank #5,862
Onslow Rank #15,100

Coi is more popular, ranked #5862 vs #15100 for Onslow.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Coi ___

  • Coi Marie
  • Coi Ann
  • Coi Lynn
  • Coi Renee
  • Coi Elise
  • Coi Grace

Onslow ___

  • Onslow Frederick
  • Onslow George
  • Onslow James
  • Onslow Henry
  • Onslow Arthur

Sibling Name Ideas

Names that pair well as siblings.

If you choose Coi

Jade Sloane Bex Zara Kai

If you choose Onslow

Algernon Hortense Phineas Cordelia Rupert

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 Coi or Onslow more popular?

Coi is more popular, ranked #5862 compared to Onslow at #15100 in the United States.

What do Coi and Onslow mean?

Coi means "quiet, still" (French origin). Onslow means "Ōn's hill; from the hill of Ōn" (Old English origin).

Are Coi and Onslow boy or girl names?

Coi is primarily a girl name. Onslow is primarily a boy name.

More Comparisons