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When Will We Run Out Of Names?

Vsauce·
5 min read

Based on Vsauce's video on YouTube. If you like this content, support the original creators by watching, liking and subscribing to their content.

TL;DR

Exact-name “ownership” can become socially confusing when new fame attaches to a shared name, but the underlying supply of names remains huge.

Briefing

America has plenty of names for now, but the real pressure point isn’t running out of “Harry Potter” or “James Bond” style matches—it’s how quickly fame, branding, and online identity can make familiar names feel scarce. Census Bureau data cited in the segment puts the U.S. at 106 people named Harry Potter, 1,007 named James Bond, and eight named Justin Bieber. With roughly 150,000 last names and about 5,000 first names, the system can generate enough combinations to cover most people, so a literal “name shortage” is unlikely in the near term.

The more immediate twist is what happens when a name becomes associated with someone famous. As new notable people emerge—accelerated by the internet and search visibility—shared names get “claimed” socially. The segment uses a back-of-the-envelope model from computer scientist Samuel Arbesman: if “famous” means having a Wikipedia page, about 700,000 living people are famous today, or roughly 1 in 10,000 people worldwide. With 255 births per minute, that implies about one future “famous” person is born every hour. Even then, the math suggests it would take dozens of millennia for most people to expect a future famous person with their exact name to appear—especially since names shift over time as trends rise and fall.

Still, the scarcity question becomes sharper for memorable brand and band names. Rovi Corp, owner of AllMusic.com, is cited to show how saturated one-word band names already are: “Bliss” is the most used, followed by “Mirage,” “One,” “Gemini,” “Legacy,” “Paradox,” and “Rain.” As more bands form, overlap becomes harder to hide, pushing creators toward more distinctive constructions—sometimes even using punctuation or odd phrases. The segment also raises the modern bottleneck of usernames and email addresses, where uniqueness is enforced by systems rather than by social convention. People increasingly rely on abbreviations, initials, numbers, or entirely different handles, hinting at “peak username” behavior.

The segment then argues that the combinatorial space is enormous. The Social Security Administration allows up to 36 letters for a complete name; even with a simplified model that permits repetition, that yields about 3 sextillion possible combinations—more than Earth has atoms. To focus on pronounceability, it borrows a Randall Munroe estimate for naming stars: by treating pronounceable words as sequences of consonant-vowel pairs, there are roughly 10^5 such pair possibilities. That scale implies that giving every star in the observable universe a unique, pronounceable English name could be done with about 24 letters—similar to the number of digits needed to number them.

So the “name crisis” is less about exhausting the alphabet and more about how names function online. Handles and avatars can travel faster and wider than the people behind them, and anonymity can trigger the online disinhibition effect—making people more willing to mislead or behave differently. The segment adds that usernames and avatars can shape behavior through the Proteus effect, where the identity cues of a cyberspace self influence real-world actions and self-perception. In the end, names may not run out soon; instead, the internet may increasingly run on them—and sometimes, run people through them.

Cornell Notes

The segment argues that a literal shortage of human names is unlikely because the number of possible name combinations is vast, and even pronounceable options scale to astronomical counts. While shared names can become “socially scarce” when someone famous shares them, a simple model based on Wikipedia-page fame suggests exact-name fame for most people would take tens of thousands of years. Brand and band names face earlier saturation, pushing creators toward more distinctive one-word and punctuation-heavy titles. Online, however, systems enforce uniqueness for usernames and handles, and anonymity can change behavior via the online disinhibition effect. Usernames and avatars can also influence real behavior through the Proteus effect, meaning identity cues can shape how people act.

Why doesn’t the U.S. run out of names in the straightforward sense?

The segment cites Census Bureau counts showing many people share the same full name (e.g., 106 named Harry Potter, 1,007 named James Bond, eight named Justin Bieber). It then notes the combinatorial supply: roughly 150,000 last names and about 5,000 first names can generate enough combinations to cover most of the 300+ million population without exhausting the pool.

How does “fame” make names feel scarce even when the alphabet isn’t?

Shared names become confusing when a new notable person rises quickly—especially with internet-driven search visibility. Using Samuel Arbesman’s estimate that “famous” can mean having a Wikipedia page (about 700,000 living people), the segment estimates about one future famous person is born every hour. Even with that pace, it would take dozens of millennia for most people to expect a future famous person with their exact name, and names also change over time.

What evidence suggests band and brand names are already crowded?

Rovi Corp (AllMusic.com) is cited with a ranking of the most used band names: “Bliss” is most used, followed by “Mirage,” “One,” “Gemini,” “Legacy,” “Paradox,” and “Rain.” The segment links this to the historical shift: earlier, fewer bands existed and overlap was easier to tolerate; now, creators need more creativity to stand out.

How does the segment estimate the total number of pronounceable names?

It uses a Randall Munroe-style approach for naming stars. By defining “unpronounceable” words as those containing consonant-vowel pairs, it estimates about 10^5 possible consonant-vowel pair possibilities. With that building block, the segment claims unique pronounceable names for every star in the observable universe could be assigned using about 24 letters—comparable to the digits needed to number them.

Why might usernames feel like they’re running out sooner than human names?

Unlike social naming, many platforms enforce uniqueness for handles and email addresses. The segment notes people already compensate with abbreviations, initials, numbers, or entirely different choices—raising the possibility of “peak username” where remaining options become mostly random strings.

How can online identity cues change behavior?

Two mechanisms are highlighted. The online disinhibition effect says anonymity and lack of face-to-face feedback can make people more willing to lie or act differently. The Proteus effect says usernames and avatars can influence behavior and self-perception—similar to how clothing cues can affect aggression in sports studies, or how avatar sexualization can affect body-image awareness.

Review Questions

  1. What assumptions does the segment use to estimate how often a future famous person with your exact name might appear, and why does that still imply a long wait?
  2. How do the online disinhibition effect and the Proteus effect differ in what they predict about behavior?
  3. What combinatorial reasoning supports the claim that pronounceable names are effectively inexhaustible, even if exact human-name ownership is socially complicated?

Key Points

  1. 1

    Exact-name “ownership” can become socially confusing when new fame attaches to a shared name, but the underlying supply of names remains huge.

  2. 2

    A simple fame model based on Wikipedia-page counts suggests exact-name fame for most people would take tens of thousands of years, not decades.

  3. 3

    Band and brand naming faces earlier saturation because memorable one-word names are already heavily reused.

  4. 4

    Username and email scarcity is more plausible than human-name scarcity because platforms enforce uniqueness and push users toward numbers, initials, and random strings.

  5. 5

    Combinatorics suggests pronounceable naming space is enormous: consonant-vowel pair models imply enough options to name even the observable universe’s stars uniquely.

  6. 6

    Online anonymity can increase deception or rule-breaking (online disinhibition effect), while identity cues can shape behavior (Proteus effect).

Highlights

Census Bureau figures show the same full name can be shared by many people—106 “Harry Potter”s and 1,007 “James Bond”s in the U.S.—undercutting the idea of a near-term human-name shortage.
Even with a pace of roughly one future “famous” birth per hour (based on Wikipedia-page fame), exact-name fame for most people is still projected to take dozens of millennia.
AllMusic.com’s band-name data ranks “Bliss” as the most used band name, followed by “Mirage,” “One,” and others—evidence that memorable brand-style names are already crowded.
A consonant-vowel-pair estimate suggests unique pronounceable names for every observable-universe star could fit in about 24 letters.
Usernames and avatars don’t just label identity online; they can change behavior through the online disinhibition effect and the Proteus effect.

Topics

  • Name Combinations
  • Fame and Disambiguation
  • Band Name Saturation
  • Username Scarcity
  • Online Identity Effects

Mentioned