Mercy vs Robby

Baby Name Comparison — 2026

Mercy

Girl #850 Most Popular 2 Syllables

Meaning

"compassion, forgiveness, grace"

Origin: Old French/Latin

Cultural Roots

English American African

Quick Stats

Popularity Rank
#850
Total SSA Count
318
Syllables
2
Formality
Moderate
Nicknames
Merci, Merce

Playground Safety Score

✓ All Clear
Full profile for Mercy →

Robby

Boy #4,532 Most Popular 2 Syllables

Meaning

"bright fame"

Origin: Old High German

Cultural Roots

American English European

Quick Stats

Popularity Rank
#4,532
Total SSA Count
23
Syllables
2
Formality
Casual
Nicknames
Rob

Playground Safety Score

24 High Risk

{:type=>:nickname, :severity=>:medium, :message=>"'Robby' can be twisted to 'slobbert'"}

Full profile for Robby →

Popularity Comparison

Mercy Rank #850
Robby Rank #4,532

Mercy is more popular, ranked #850 vs #4532 for Robby.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Mercy ___

  • Mercy Jane
  • Mercy Grace
  • Mercy Anne
  • Mercy Louise
  • Mercy Faith
  • Mercy Claire

Robby ___

  • Robby James
  • Robby Allen
  • Robby Lee
  • Robby Michael
  • Robby Dean

Sibling Name Ideas

Names that pair well as siblings.

If you choose Mercy

Hope Faith Joy Prudence Henry

If you choose Robby

Tommy Bobby Danny Susie Timmy

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 Mercy or Robby more popular?

Mercy is more popular, ranked #850 compared to Robby at #4532 in the United States.

What do Mercy and Robby mean?

Mercy means "compassion, forgiveness, grace" (Old French/Latin origin). Robby means "bright fame" (Old High German origin).

Are Mercy and Robby boy or girl names?

Mercy is primarily a girl name. Robby is primarily a boy name.

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← Full profile: Mercy ← Full profile: Robby Browse all baby names