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Unique Baby Names: 150+ Rare and Uncommon Names With Meanings and Origins

Unique Baby Names: 150+ Rare and Uncommon Names With Meanings and Origins

Updated

A quiet nursery corner with a rocking chair, a blank notebook and pencil on a side table, and an empty crib in the background
Rachel Rothman, Co-Founder and Chief Parenting Officer at Betteroo

Written By

Rachel Rothman

Chief Parenting Officer

Dr. Meidad Greenberg, Board-Certified Pediatrician and Pediatric Medical Advisor at Betteroo

Medically Reviewed By

Meidad Greenberg, M.D.

Board-Certified Pediatrician

Unique baby names are names you rarely hear on the playground, such as Isolde, Sunniva, Lysander, Taliesin, Lumi and Verity, and this list gives more than 150 of them with verified origins and meanings.

Finding unique baby names is easy. Finding ones with a real history, a meaning you can trust and a spelling your child will not have to defend is harder. So we checked every name below against Behind the Name, a reference database of name etymology, and we say so when a meaning is unknown or debated.

You will find unique girl names, unique boy names and gender neutral picks, then themed lists from nature, mythology, literature and languages around the world. After the lists: how to check how rare a name really is with Social Security Administration (SSA) data, and simple tests to run before you commit.

Key Takeaways

  • A unique name is rare, not invented. Every name here has a documented origin.
  • Some meanings are unknown or debated. We say so instead of guessing.
  • The SSA counts every spelling as a separate name, so a new spelling of a popular name still sounds common out loud.
  • The SSA leaves out names with fewer than 5 occurrences, so the very rarest names never appear in its lists.
  • Say the full name out loud, check the initials and try it beside sibling names before you decide.

Unique Baby Names at a Glance

Quick Answer

Unique baby names worth a look: for girls, Isolde, Sunniva, Ottilie, Zenobia, Fenella, Calypso and Verity; for boys, Lysander, Cassius, Fergus, Leopold, Taliesin, Auberon and Viggo; for any baby, Indigo, Lior, Romilly, Kiran, Onyx and Linden. All 20 are established names with a traceable history, and none is in the Social Security Administration (SSA) top 10 for 2025.

How we chose: every name in the tables below has its own entry on Behind the Name, a reference database of name etymology, and our origin and meaning follow that entry. Where the reference calls a meaning unknown, uncertain or only possible, we use the same wording.

For contrast, Liam and Olivia lead the SSA list for babies born in 2025, followed by Noah and Oliver for boys and Charlotte and Emma for girls. If you want classics as well, see our baby boy names, baby girl names and gender neutral names lists.

Unique Girl Names

These unique baby girl names are rare without being invented. Several are regional forms of familiar names.

NameOrigin or usageMeaning or story
IsoldeGerman, Arthurian legendGerman form of Iseult; origin uncertain
OdetteFrenchDiminutive of Oda or Odilia, from Old German for “heritage” or “wealth, fortune”
OttilieGermanGerman form of Odilia
SunnivaNorwegianFrom Old English Sunngifu, “sun gift”
FenellaScottishForm of Fionnuala, “white shoulder”
SidonieFrenchFeminine of Sidonius, “of Sidon”
OrianaItalian, SpanishPossibly from Latin aurum, “gold”
ElspethScottishScottish form of Elizabeth, “my God is an oath”
DelphineFrenchFrom Delphina, “of Delphi”
ZeldaYiddishPossibly a feminine form of Zelig, “blessed, happy”
MarisolSpanishShort form of María Soledad; sometimes read as mar y sol, “sea and sun”
ZenobiaAncient Greek“Life of Zeus”; a 3rd-century queen of Palmyra
AramintaEnglish (rare)Meaning unknown; used by playwright William Congreve in 1693
PhilippaEnglish, GermanFeminine of Philip, “friend of horses”
Unique girl names. Origins and meanings follow each name’s Behind the Name entry.

Unique Boy Names

Unique baby boy names often come from saints, legends and old family surnames. These 16 have long histories and are simple to pronounce.

NameOrigin or usageMeaning or story
CassiusAncient RomanRoman family name, possibly from Latin cassus, “empty, vain”
LazarusBiblicalFrom Eleazar, “God has helped”
AnselEnglishFrom a surname based on Anselm (“god” + “helmet, protection”)
LeopoldGermanOld German “people” + “bold, brave”
CasparLegend of the MagiLatin variant of Jasper, perhaps “treasurer”
CormacIrishMeaning uncertain; a legendary high king of Ireland
AlistairScottishFrom Alasdair, the Gaelic form of Alexander (“defending men”)
BenedictEnglish, from Latin“Blessed”
FergusIrish, Scottish“Man of vigor”
HamishScottishAnglicized from Seumas, the Gaelic form of James
IdrisWelsh“Ardent lord” (a separate Arabic name Idris possibly means “interpreter, teacher”)
ViggoNorwegian, Danish, SwedishShort form of Old Norse names with víg, “war”
LysanderAncient Greek“A release” + “man”; a Spartan general
AuberonOld French legendFrom a pet form of Auberi (Alberich, “elf” + “ruler”); a fairy king
BalthazarLegend of the MagiVariant of Belshazzar, “Bel protect the king”
EamonIrishVariant of Éamonn, the Irish form of Edmund
Unique boy names. Origins and meanings follow each name’s Behind the Name entry.

Unique Gender Neutral Names

Behind the Name lists each of these as used for both boys and girls, and several come from surnames or plain English words.

NameOrigin or usageMeaning or story
IndigoEnglish (modern)The purplish-blue dye and color; from Greek for “from India”
RomillyEnglish (British, rare)Surname taken from Norman town names
LindenEnglishSurname from Old High German linta, “linden tree”
ElleryEnglishSurname derived from the medieval name Hilary
BriarEnglish (modern)The English word for the thorny plant
KiranHindi, Marathi and other Indian languagesFrom Sanskrit kirana: “dust”, “thread” or “sunbeam”
LiorHebrew“My light”
ShaiHebrew“Gift”, or a diminutive of Isaiah
NoamHebrew“Pleasantness”
OnyxEnglishThe gemstone; from Greek onyx, “claw, nail”
NoorArabic, UrduForm of Nur, “light”
ArielHebrew“Lion of God”
Unique gender neutral names with origins and meanings.

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Rare Names From Nature and the Night Sky

Nature names feel fresh because most are plain words. Star names come with a story built in. If you love botanical names, our flower names list has more than 130.

NameOrigin or usageMeaning or story
LarkEnglish (rare)The songbird
WrenEnglish (modern)The small songbird; Old English wrenna
CedarEnglish (rare)The coniferous tree; from Greek kedros
AspenEnglish (modern)The tree; Old English æspe
OpalEnglishThe iridescent gemstone; from Sanskrit upala, “jewel”
LumiFinnish“Snow”
SolveigNorwegian, Swedish, DanishOld Norse “sun” + “strength”
SoleilFrench word“Sun”; rarely used as a name in France itself
CieloSpanish“Sky, heaven”
SeleneGreek mythology“Moon”; a Greek moon goddess
LyraAstronomyNorthern constellation said to be shaped like the lyre of Orpheus
VegaAstronomyStar in Lyra; from Arabic for “the swooping (eagle)”
AltairAstronomyStar in Aquila; Arabic for “the flyer”
SiriusAstronomyBright star; from Greek seirios, “burning”
Uncommon nature, sky and star names.

Unusual Names From Mythology and Legend

Many ancient names have no agreed meaning, and a good reference says so. Read the story behind the name before you choose it.

NameOrigin or usageMeaning or story
PersephoneGreekMeaning unknown, probably pre-Greek
CalypsoGreekProbably “she that conceals”; the nymph who loved Odysseus
CirceGreekPossibly from kirkos, “hawk”; a sorceress in the Odyssey
ClioGreekFrom Kleio, “glory”; the Muse of history
PandoraGreek“All gifts”; the first mortal woman
AriadneGreekPossibly “most holy”; daughter of King Minos
AtalantaGreek“Equal in weight”; a fast-footed heroine
JunoRomanMeaning unknown; queen of the heavens
MinervaRomanPossibly from Latin mens, “intellect”; goddess of wisdom and war
RhiannonWelshProbably from a Celtic name meaning “great queen”
BranwenWelsh“White raven”
TaliesinWelsh“Shining brow”; a semi-legendary 6th-century bard
PercivalArthurian legendCreated by the poet Chrétien de Troyes, perhaps from Old French for “pierce the valley”
GuinevereArthurian legendFrom Welsh Gwenhwyfar, “white phantom”
Mythology names from Greek, Roman, Welsh and Arthurian tradition.

Literary Names and Vintage Revivals

A surprising number of names were invented or first printed by a writer. These are cool unique names with a paper trail.

NameOrigin or usageMeaning or story
AtticusLatinized Greek“From Attica”, the region around Athens
DorianEnglishFirst used by Oscar Wilde in The Picture of Dorian Gray (1891)
CressidaLiteraryForm of Criseida used by Shakespeare in Troilus and Cressida
CordeliaLiterary, EnglishFrom Cordeilla, the loyal daughter of King Leir in a 12th-century chronicle; origin uncertain
ImogenEnglish (British)From Shakespeare’s Cymbeline; a misprint of the older Innogen
MirandaEnglishLatin mirandus, “admirable”; created by Shakespeare for The Tempest
PerditaLiteraryLatin perditus, “lost”; created by Shakespeare for The Winter’s Tale
CosetteFrench, literaryFrom chosette, “little thing”; a nickname in Les Misérables
CedricEnglishInvented by Walter Scott for Ivanhoe (1819)
VanessaEnglishInvented by Jonathan Swift for a 1726 poem
ArwenLiterary“Noble maiden” in Sindarin, a language invented by J. R. R. Tolkien
MireilleFrenchFrom Occitan Mirèio, first used by the poet Frédéric Mistral; probably from mirar, “to admire”
DashiellEnglish (rare)A surname of unknown meaning; borne by author Dashiell Hammett
LangstonEnglishSurname from Old English “long” + “stone”; borne by poet Langston Hughes
Literary names and the works that introduced them.

Vintage names are uncommon today, yet easy to spell, which makes them some of the easiest rare baby names to live with. (Naming the grandparents is its own project: see names for grandparents.)

NameOrigin or usageMeaning or story
WinifredEnglish, WelshFrom Latin Winifreda, possibly from the Welsh name Gwenfrewi
AgnesGreek, via LatinFrom hagnos, “chaste”
EffieEnglish, ScottishDiminutive of Euphemia, “to use words of good omen”
MaudeEnglish, FrenchVariant of Maud, a medieval form of Matilda (“strength in battle”)
WilhelminaDutch, GermanFeminine of Wilhelm (“will, desire” + “helmet, protection”)
AugustaLatinFeminine of Augustus, “exalted, venerable”
LaviniaRoman legendMeaning unknown, probably Etruscan; the wife of Aeneas
MillicentEnglishFrom a Gothic name: “unceasing, vigorous, brave” + “strong”
EdmundEnglish“Rich protection”
GilbertEnglish, French“Bright pledge”
HughEnglishFrom Germanic Hugo, “mind, thought, spirit”
RufusRoman“Red-haired”
WilfredEnglish“Desiring peace”
ArchibaldScottish, EnglishGermanic “pure, holy, genuine” + “bold, brave”
EphraimHebrew, Biblical“Fruitful”
ClementEnglish, from Latin“Merciful, gentle”
Vintage revival names for girls and boys.

Short Unique Names and International Picks

Short names of two to four letters balance a long surname and rarely need a nickname.

NameOrigin or usageMeaning or story
InesGerman, Italian and moreVariant of Inés, the Spanish form of Agnes
IdaGermanicFrom an element possibly meaning “work, labor”
LevRussian, Ukrainian“Lion”
LivNorwegian, Swedish, DanishFrom Old Norse Hlíf, “protection”; also the Scandinavian word for “life”
PaxRoman mythologyLatin for “peace”; the goddess of peace
RexEnglishLatin for “king”
SolSpanish, Portuguese“Sun”
TajArabic“Crown”
UnaEnglish, IrishAnglicized from Úna, probably “lamb”; also linked with Latin una, “one”
ZevHebrew“Wolf”
AsaHebrew, BiblicalPossibly “healer”
DovHebrew“Bear”
LuzSpanish“Light”
NeveIrishAnglicized form of Niamh, “bright”
PiaItalian, ScandinavianFeminine of Pius, “pious, dutiful”
VedaTelugu, KannadaSanskrit for “knowledge”
Short unique names.

The international picks below are established names in their own languages. If a name comes from a culture that is not yours, learn how it is pronounced and used there, and ask someone who shares that heritage. Japanese names such as Akira change meaning with the kanji chosen.

NameOrigin or usageMeaning or story
AnoukDutch, FrenchDiminutive of Anna
SaskiaDutch, GermanFrom Old German sahso, “a Saxon”
ItzelMayanMeaning uncertain, possibly from itz: “resin, nectar, dew”
CitlaliNahuatlVariant of Citlalli, “star”
NayeliZapotecPossibly “I love you” or “open”
DanicaSerbian, Croatian, Slovene and moreFrom a Slavic word for “morning star, Venus”
VesnaCroatian, Serbian, Slovene, Macedonian“Spring”
ZoraSouth Slavic, Czech, Slovak“Dawn, aurora”
IlonaHungarianOld Hungarian form of Helen; linked in Finland with ilo, “joy”
AinoFinnish“The only one”; a figure in the Kalevala
ElifTurkishFrom alif, the first letter of the Arabic alphabet; also “slender”
DenizTurkish“Sea”
SorayaPersianPersian form of Thurayya, “the Pleiades”
RaviSanskrit“Sun”
KalaniHawaiian“The heavens”
ArohaMāori“Love”
AdaezeIgbo“Eldest daughter of the king”
AyodeleYoruba“Joy has come home”
ThandiweXhosa, Zulu, Ndebele“Loving one”
LeratoSotho“Love”
ImaniSwahili“Faith”
AkiraJapanese“Bright” or “clear”, depending on the kanji
International names with verified meanings.

Word and Virtue Names

Virtue names date back centuries: Behind the Name notes that Verity and Temperance were among the virtue names adopted by the Puritans in the 17th century. Modern word names such as True, Haven and Lyric continue the idea.

NameOrigin or usageMeaning or story
VerityEnglish“Truth”; a 17th-century Puritan virtue name
PrudenceEnglishMedieval form of Prudentia, from Latin prudens, “prudent, wise”
FelicityEnglish“Happiness”; from Latin felicitas, “good luck”
AmityEnglish (rare)“Friendship”
TemperanceEnglish“Moderation” or “restraint”
HonorEnglish (rare)American spelling of Honour, from the English word
BlytheEnglish (rare)From a surname meaning “cheerful” in Old English
ClemencyEnglish (rare)Medieval variant of Clemence; also the word for “mercy”
ConstanceEnglish, FrenchMedieval form of the Roman name Constantia
ProsperFrench, EnglishFrom Latin Prosperus, “fortunate, successful”
TrueEnglish (modern)The English word, from Old English for “loyal, faithful”
HavenEnglishThe English word for a safe place
LyricEnglish (modern)“Lyric, songlike”; ultimately from Greek
Word and virtue names.

What Makes a Name Unique? How to Check the Data

There is no official cutoff for unique names. A practical definition: a name most people can say and spell after hearing it once, but that your child is unlikely to share with a classmate.

You can check any name yourself on the SSA baby names site, which is built from Social Security card applications for births in the United States:

  • Popular Names by Birth Year: lists the top 20, 50, 100, 500 or 1,000 names for any birth year after 1879.
  • Popularity of a Name: enter a name and a sex to see how it has ranked over time.
  • State lists: show what is popular where you live.
  • The limits: to protect privacy, the SSA leaves out names with fewer than 5 occurrences. A name must also be at least 2 characters long.

A name missing from the top 1,000 is uncommon nationally, though it can still be familiar in your own community.

Unique spelling vs a truly different name. The SSA does not combine spellings. Its own example: Caitlin, Caitlyn, Kaitlin, Kaitlyn, Kaitlynn, Katelyn and Katelynn are counted as seven separate names, each with its own rank. So a creative spelling can look rare on paper and still sound exactly like a popular name at roll call. For a name that stands apart, choose a different name, not a different spelling.

How to Test Unique Baby Names Before You Decide

  • The playground test: call the name across a park the way you would at dinnertime. Does it feel natural? Is there an easy nickname?
  • The resume test: picture the full name on a diploma or a job application. A name should fit an adult as well as a baby.
  • The say-it-out-loud test: say first, middle and last name together. Listen for rhymes, tongue twisters and a first name that runs into the surname.
  • The spelling test: say the name to a friend and ask them to write it down. One correction is fine. Three is a pattern.
  • The initials test: write out the initials and make sure they do not spell something unfortunate.
  • The meaning check: look the name up in a reference source, not only on a social media list.

Sibling fit. Sibling names do not need to match, but say them together in the order you will use most. Avoid two names that differ by a single sound, and think about balance: one very rare name beside one very common name stands out more. Planning how to share the news with an older child? See our pregnancy announcement ideas.

Middle name pairing. A rare first name often sits well with a short, familiar middle name (Isolde Ruth, Lysander Paul). A classic first name leaves room for a bold middle name (Ruth Sunniva, Paul Taliesin). Vary the syllable counts, and avoid ending the first name and starting the middle name with the same sound.

Related Betteroo Guides

The Bottom Line

The best unique names are rare, real and easy to live with. Shortlist three to five, check each one against SSA data, run the tests above and sleep on it. You do not need to decide early: keep the shortlist going into the third trimester if you like, and it is fine to wait until you have met your baby.

Once the name is settled, it can shape the fun parts: nursery themes, a gender reveal and the first page of the baby book.

Frequently Asked Questions

What are some unique baby names?

Unique baby names with real history include Isolde, Sunniva, Ottilie, Zenobia and Verity for girls, Lysander, Fergus, Leopold, Taliesin and Viggo for boys, and Indigo, Lior, Romilly and Linden for any baby. Each one has a documented origin, and none appears in the Social Security Administration top 10 for babies born in 2025.

What is the rarest baby name?

There is no single rarest baby name. To protect privacy, the Social Security Administration leaves names with fewer than 5 occurrences out of its published lists, so the very rarest names never show up in the data. Any established name you cannot find in the top 1,000 for recent years is uncommon nationally.

What are unique girl names with meanings?

Sunniva comes from an Old English name meaning sun gift. Zenobia is ancient Greek for life of Zeus. Fenella is a Scottish form of Fionnuala, white shoulder. Branwen is Welsh for white raven, Danica comes from a Slavic word for the morning star, and Verity is an English virtue name meaning truth.

What are unique boy names with meanings?

Fergus is an Irish and Scottish name meaning man of vigor. Leopold combines Old German words for people and bold. Taliesin is Welsh for shining brow, Benedict comes from the Latin for blessed, Edmund is Old English for rich protection, and Lev means lion in Russian and Ukrainian.

How do I check how popular a baby name is?

Use the Social Security Administration baby names site. Popular Names by Birth Year lists the top 20 to 1,000 names for any year after 1879, and Popularity of a Name shows how one name has ranked over time. You can also browse by state. Check each spelling separately, because the SSA does not combine them.

Is a unique spelling the same as a unique name?

No. The Social Security Administration counts every spelling as a separate name, so a respelled popular name can look rare in the data while sounding identical out loud. Your child will also need to spell it for other people again and again. For a name that truly stands apart, pick a different name instead of a different spelling.

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Related Betteroo Guides

6 Sources
  1. Social Security Administration. Popular Baby Names (top 10 names of 2025 and name lookup tools).
    https://www.ssa.gov/oact/babynames/index.html
  2. Social Security Administration. Background Information for Popular Names.
    https://www.ssa.gov/oact/babynames/background.html
  3. Social Security Administration. Popular Baby Names: national, state and territory data files.
    https://www.ssa.gov/oact/babynames/limits.html
  4. Behind the Name. The Etymology and History of First Names.
    https://www.behindthename.com/
  5. Behind the Name. Elizabeth: meaning, origin and history.
    https://www.behindthename.com/name/elizabeth
  6. Behind the Name. Vanessa: meaning, origin and history.
    https://www.behindthename.com/name/vanessa