Day vs Oliver

Baby Name Comparison — 2026

Day

Girl #14,900 Most Popular 1 Syllable

Meaning

"daylight, brightness"

Origin: Old English

Cultural Roots

English American

Quick Stats

Popularity Rank
#14,900
Total SSA Count
8
Syllables
1
Formality
Casual

Playground Safety Score

✓ All Clear
Full profile for Day →

Oliver

Boy #3 Most Popular 3 Syllables

Meaning

"olive tree"

Origin: Latin

Cultural Roots

English French Scandinavian

Quick Stats

Popularity Rank
#3
Total SSA Count
15,343
Syllables
3
Formality
Moderate
Nicknames
Ollie, Oli

Playground Safety Score

✓ All Clear
Full profile for Oliver →

Popularity Comparison

Day Rank #14,900
Oliver Rank #3

Oliver is more popular, ranked #3 vs #14900 for Day.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Day ___

  • Day Marie
  • Day Lynn
  • Day Anne
  • Day Grace
  • Day Hope
  • Day Elise

Oliver ___

  • Oliver James
  • Oliver Thomas
  • Oliver William
  • Oliver Henry
  • Oliver John
  • Oliver Benjamin

Sibling Name Ideas

Names that pair well as siblings.

If you choose Day

Night Dawn Sun Ember Skye

If you choose Oliver

Olivia Charlotte Emma Sophia Amelia

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 Day or Oliver more popular?

Oliver is more popular, ranked #3 compared to Day at #14900 in the United States.

What do Day and Oliver mean?

Day means "daylight, brightness" (Old English origin). Oliver means "olive tree" (Latin origin).

Are Day and Oliver boy or girl names?

Day is primarily a girl name. Oliver is primarily a boy name.

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← Full profile: Day ← Full profile: Oliver Browse all baby names