Rob vs Wm

Baby Name Comparison — 2026

Rob

Boy #19,807 Most Popular 1 Syllable

Meaning

"bright fame"

Origin: Germanic

Cultural Roots

English Scottish Dutch

Quick Stats

Popularity Rank
#19,807
Total SSA Count
6
Syllables
1
Formality
Casual

Playground Safety Score

54 High Risk

{:type=>:rhyme, :severity=>:medium, :message=>"'Rob' rhymes with 'slob'"}

Wm

Boy #19,680 Most Popular 2 Syllables

Meaning

"resolute protector, will-helmet"

Origin: Old High German

Cultural Roots

English French Welsh

Quick Stats

Popularity Rank
#19,680
Total SSA Count
6
Syllables
2
Formality
Formal
Nicknames
Will, Bill, Billy

Playground Safety Score

All Clear

Popularity Comparison

Rob Rank #19,807
Wm Rank #19,680

Wm is more popular, ranked #19680 vs #19807 for Rob.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Rob ___

  • Rob Ryan
  • Rob James
  • Rob Andrew
  • Rob Michael
  • Rob Thomas

Wm ___

  • Wm Henry
  • Wm James
  • Wm Thomas
  • Wm Edward
  • Wm Arthur

Sibling Name Ideas

Names that pair well as siblings.

If you choose Rob

Kate Sam Tom Beth Dan

If you choose Wm

Charles Henry George Elizabeth Eleanor

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 Rob or Wm more popular?

Wm is more popular, ranked #19680 compared to Rob at #19807 in the United States.

What do Rob and Wm mean?

Rob means "bright fame" (Germanic origin). Wm means "resolute protector, will-helmet" (Old High German origin).

Are Rob and Wm boy or girl names?

Rob is primarily a boy name. Wm is primarily a boy name.

More Comparisons