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How Rare Is Your Name? The Name Rarity Index

NamesPop Editorial Team· Collective Byline
·9 min read
Research & AnalysisLinguistics

Rarity Is Relative — Until You Measure It

Everyone with a common name has heard "there were three other Jennifers in my class." And everyone with an unusual name has heard "how do you spell that?" for the thousandth time. But what does "rare" actually mean when it comes to names? How rare is rare?

We built the NamesPop Rarity Index — a five-tier system based on real Social Security Administration data covering every recorded name in American history. Here's how it works, and what the tiers actually mean for your child's experience.

The Five Tiers

Based on total historical usage across all recorded years:

Legendary: 1,000,000+ total uses

42 names qualify. These are the names that have defined American naming for generations. We're talking about James (5.2M), John (5.1M), Michael (4.4M), William (4.2M), and a handful of women's names like Mary, Linda, and Patricia. Legendary names aren't just popular — they're cultural bedrock. Your grandfather and your nephew might both be named James.

What it means for your child: They will share this name with a lot of people. But Legendary names also carry extraordinary cultural weight — nobody finds them strange, nobody struggles to spell them, and they age beautifully. There's a reason these names survived a century of use.

Common: 100,001–1,000,000 total uses

637 names qualify. This is the sweet spot of mainstream naming — names like Emily, Noah, Charlotte, Oliver, and Sophia. Common names are everywhere, but not everywhere. Your child will likely meet others with their name, especially in school, but won't be "Jennifer #3" unless they're in particularly large social groups.

Common names are common for a reason: they're genuinely good names. They work across ages, social contexts, and generations.

Uncommon: 10,001–100,000 total uses

2,089 names qualify. This is the interesting middle ground — names like Juniper, Augustine, Thalia, and Caspian. These names are known without being overused. Your child will almost certainly be the only one in their class, but the name won't require constant explanation either.

For parents who want distinctiveness without weirdness, Uncommon is the target tier. Many names in this range are actually trending upward right now — they're the rising stars, not the forgotten obscurities.

Rare: 1,001–10,000 total uses

9,318 names qualify. Rare names require commitment. Most people your child meets will never have encountered this name before. The spelling will need to be provided at every first interaction, the name will get mispronounced, and your child will develop a very individual relationship with their own name — learning to correct people politely and take ownership of something genuinely distinctive.

The upside: Rare names can be extraordinarily meaningful. Names from heritage languages, literary sources, or family history that fall into this tier carry a depth that Common names rarely can. Your child will never wonder "which one?" when their name is called.

Ultra-Rare: Fewer than 1,000 total uses

97,670 names qualify — nearly 89% of all names in our database. This is where the naming universe lives: tens of thousands of names that almost no one has ever encountered. Some are ancient names from languages no longer widely spoken. Some are creative inventions. Some are place names, word names, or names imported from naming traditions rarely used in America.

Ultra-Rare names are not just distinctive — they are genuinely one-of-a-kind experiences. Your child may never meet another person with their exact name. That can be a profound gift of individuality, or it can feel like a burden, depending on temperament and context. Choose with eyes open.

The Rarity Paradox

Here's something surprising: many names that feel rare are actually Common or Uncommon by this measure. Parents often perceive names outside the Top 50 as unusual, but the real rarity threshold begins well below 10,000 total uses. If you've never met anyone else named Magnolia, that doesn't mean it's Ultra-Rare — it might just mean it's currently rising from Uncommon into Common and you got there early.

Conversely, some names that feel very familiar are actually fading fast and will feel freshly rare in another generation. Check our fastest-falling names guide to see which once-ubiquitous names are heading toward genuine rarity.

What Tier Is Right for Your Family?

There is no objectively correct tier. There are trade-offs at every level:

  • Legendary/Common: Maximum social ease, minimum uniqueness. Your child will share their name but never have to explain it.
  • Uncommon: The sweet spot for most parents seeking balance. Distinctive enough to feel special, recognizable enough to feel approachable.
  • Rare: A statement of values and individuality. Best when the name has a specific, meaningful reason for being chosen.
  • Ultra-Rare: For families who prioritize genuine singularity above all else, and whose child has the temperament to carry it.

Find Your Name's Tier

Every name page on NamesPop includes the total historical usage count from SSA data — the number you need to place your name in the rarity index. Search for any name and check its stats. Want to explore names by rarity level? Check our trending lists, browse by letter, or look at our current rankings for a starting point.

The rarity index is a tool, not a verdict. Use it to understand your choice, not to make it for you.

Data source: U.S. Social Security Administration. Analysis by NamesPop.

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