Baby Name Studio

Peter vs Arthur

Comparing Peter and Arthur? Both are popular picks for parents in 2026. Peter ranks in the Top 100 tier and traces to Greek naming roots (meaning "Rock, stone"). Arthur sits in the Top 100 tier with Celtic origins (meaning "Noble, courageous bear").

Verdict: Peter or Arthur?

If you want the more widely-recognised of the two, that is Peter; if you would rather your child be the only one in the class, Arthur is the less-used choice. Both names run to 2 syllables, so they are interchangeable in a full name and equally easy to pair with a longer middle name. The deciding factor for most parents is heritage: Peter carries Greek roots, Arthur carries Celtic roots.

Peter vs Arthur at a glance

PeterArthur
MeaningRock, stoneNoble, courageous bear
OriginGreekCeltic
Usageboyboy
Syllables22
Letters56
2026 popularityTop 100Top 100
NicknamesPet, PArt, Arty, A

Meaning and origin compared

Peter: means "Rock, stone", rooted in Greek naming tradition. Full Peter name page →

Arthur: means "Noble, courageous bear", rooted in Celtic naming tradition. Full Arthur name page →

The two names come from different traditions (Greek and Celtic), which matters if you want the name to reflect a particular family heritage.

Pronunciation and rhythm

Peter — P·E·T·E·R; 2 syllables, 5 letters, stress usually falls on the first syllable.

Arthur — A·R·T·H·U·R; 2 syllables, 6 letters, stress usually falls on the first syllable.

Both end on "r", so spoken back to back they echo each other. That is an asset if you want the names to feel connected and a liability if you want them clearly distinct.

Which name is more popular: Peter or Arthur?

In our 2026 popularity tracker, Peter ranks higher (Top 100) than Arthur (Top 100). Popularity tiers come from US Social Security Administration national counts; see our data sources for how they are built.

Practically: expect to meet other children called Peter more often than other children called Arthur.

Style and feel

Peter: 2 syllables, even and easy to say, with a firm consonant ending. It reads as a widely-loved, instantly-recognizable pick.

Arthur: 2 syllables, even and easy to say, with a firm consonant ending. It reads as a widely-loved, instantly-recognizable pick.

Their nearest stylistic neighbours barely overlap, which suggests these are two genuinely different directions rather than variations on one idea.

Sibling-name compatibility

Used together as siblings, Peter and Arthur rhyme on the final sound. Many parents like that; if you do not, keep one and pair it with a differently-ending name.

Pairs well with Peter: Peder, Pieter, Petra, Pedro, Pietro — more on the Peter sibling guide.

Pairs well with Arthur: Arther, Arturo, Ardell, Ardith, Ardath — more on the Arthur sibling guide.

For middle names, start with the Peter middle-name guide or the Arthur middle-name guide.

Honest pros and cons

Peter

  • For: a clear, well-documented meaning ("Rock, stone"), and enough familiarity that nobody will ask you to spell it twice.
  • Against: it is a Top 100 name, so your child may share it with a classmate.

Arthur

  • For: a clear, well-documented meaning ("Noble, courageous bear"), and enough familiarity that nobody will ask you to spell it twice.
  • Against: it is a Top 100 name, so your child may share it with a classmate.

Frequently asked: Peter vs Arthur

Is Peter or Arthur more popular?

Peter is the more popular of the two in our 2026 tracker — Top 100 versus Top 100 for Arthur.

What is the difference between Peter and Arthur?

Peter means "Rock, stone" (Greek origin), while Arthur means "Noble, courageous bear" (Celtic origin). Peter runs to 2 syllables and Arthur to 2.

Can Peter and Arthur work as sibling names?

They can, but both end in "r", so said together they rhyme slightly. If you want the sibset to feel deliberate rather than matched, pair one of them with a name that ends differently.

What nicknames come from Peter and Arthur?

Peter shortens naturally to Pet, P. Arthur shortens to Art, Arty, A.

Still undecided?

Run both through the name bracket to force a head-to-head decision, test them against your full shortlist in swipe, or check how each sounds with your surname in the full-name builder.