"not known, mysterious"
Unknown
Pronunciation: [ uhnn-OHN ]
Does Unknown flow with your last name?
The boldest vocabulary name — a mystery by design
Reviewed by the NamingEverything Editorial Team · Updated
Similar Names
Names Like Unknown
Same sound, same style — different options
Nicknames
Nicknames for Unknown
2 shorthand options for every setting
Meaning & Origin
"unidentified, open to discovery"
Playground Safety
Similar to Unknown
See all →What the Unknown report tells you
$9Personalized to your state, siblings, and priorities. Free playground safety preview included.
Is Unknown the #1 name in your state, or barely on the radar?
Enter your other kids' names. We score how well they sound together.
Playground safety check is free. Full report is $9.
What do you want to do with this name?
Add it to your shortlist. Not losing this one.
Put Unknown head-to-head with your other picks.
Start comparing →See what Unknown actually gets called.
Browse nicknames →Things to Know About This Name
- May be associated with hospital records where baby's name was not yet chosen at birth
The Story of Unknown
Unknown as a given name is an intentional word-name, part of the modern trend of using ordinary English vocabulary as names. It comes from the Old English prefix un- (not) combined with cnawan (to know), meaning literally not known or not identified. As a first name, it carries a philosophical and mysterious quality — a child named Unknown is defined by mystery and open possibility rather than inherited meaning.
Unknown is an extremely rare given name, but it sits within the broader trend of vocabulary-as-name that includes Ever, Story, True, Quest, and other conceptual names. Parents who choose it are making a bold statement about identity, individuality, and the unknowable future of their child.
The concept of the unknown is deeply woven into literature, philosophy, and art. The Tomb of the Unknown Soldier found in many countries honors those whose identities were lost in war. As a name, Unknown flips this from absence to presence — it celebrates mystery as a virtue.
Historical Record
Unknown first appeared in US Social Security records in 1950.
Over 8,096 babies have been named Unknown in the United States since SSA records began.
Today, Unknown is past its peak , currently ranked #3,959 for girl names in the US .
Fun Facts
- The Tomb of the Unknown Soldier exists in over 50 countries, making Unknown one of the most globally recognized concepts
- Unknown is used in mathematics as a variable to be solved for — x is the classic unknown
- As a given name, Unknown appears occasionally in US birth records when parents choose it deliberately as an artistic or philosophical statement
Unknown in Other Languages
Popularity Over Time
Year-by-year popularity data will be available soon.
Famous People Named Unknown
Unknown Mortal Orchestra
Musician
Indie rock band from New Zealand/Portland known for their psychedelic sound, founded by Ruban Nielson
Names You Might Also Love
See all →"from Zaria (city in Nigeria)"
"lily flower, purity"
"ugly head (historical)"
"without sorrow (Ashoka root)"
"shrewd, clever, knowledgeable"
Compare Unknown with:
Quick Facts
- Gender
- Girl
- Syllables
- 2
- Popularity Rank
- #3,959
- Total SSA Count
- 37
- Cultural Origins
- American
- Pronunciation
- Easy
- Formality
- Casual
- Cross-Cultural Ease
- High
Common Nicknames
Middle Name Ideas
Suggested pairings based on syllable flow and style
-
Timeless choice, American heritage match, extended 2-3 combo
-
Timeless choice, smooth 2-2 syllable flow
-
Timeless choice, smooth 2-2 syllable flow
-
Timeless choice, smooth 2-1 syllable flow
-
Timeless choice, American heritage match, extended 2-3 combo
-
Timeless choice, smooth 2-2 syllable flow
-
Timeless choice, smooth 2-2 syllable flow
-
Timeless choice, smooth 2-2 syllable flow
-
Timeless choice, American heritage match, extended 2-3 combo
-
Timeless choice, American heritage match, extended 2-3 combo
Middle Names
Middle Names for Unknown
5 name pairings with syllable flow tips
Sibling Names
Sibling Match
Premium
Check how Unknown fits with existing sibling names — style, sound, and origin.
Enter sibling names above to see compatibility.
Also a Boy Name
Unknown is also used as a boy name, ranked #3194.
View Unknown as a boy name →Similar Names
See all names like Unknown →For Parents
Start a baby registry
Free welcome box on Amazon
The Baby Name Wizard
Names that age well — book
Nursery name sign
Personalized wooden letters
We may earn a commission from these links.
Compare Unknown with...
Same Origin Names (American)
See all American names →Names with Similar Meaning
Names that share meaning themes with Unknown
Can't decide?
Start a tournament bracket with Unknown and other names you're considering.
Start a TournamentLike this name?
Check how Unknown sounds with your surname and test for potential nicknames.
Analyze This NameExplore More Generators
-
🧝
Fantasy Name Generator
Create names for D&D and RPG characters
-
🐾
Pet Name Generator
Find the perfect name for your furry friend
-
🎭
Character Name Generator
Names for fictional characters across genres
Names You Might Also Like
View all →Hausa/African origin
"from Zaria (city in Nigeria)"
#4,085 in US
Latin (lilium) origin
"lily flower, purity"
#3,961 in US
Old Irish origin
"ugly head (historical)"
#3,857 in US
Sanskrit origin
"without sorrow (Ashoka root)"
#4,109 in US
English origin
"shrewd, clever, knowledgeable"
#4,025 in US
Greek via Mohawk origin
"pure"
#3,971 in US
Greek via Old Norse origin
"farmer, earth-worker"
#3,803 in US
Scottish Gaelic origin
"narrow channel, strait"
#4,097 in US
Save Your Name Card
Download a shareable image with Unknown's meaning, origin, and popularity. Ready for Instagram, Pinterest, or texting to your partner.
Frequently Asked Questions About Unknown
What does the name Unknown mean?
What is the origin of the name Unknown?
Is Unknown a boy or girl name?
How do you pronounce Unknown?
How popular is the name Unknown?
What are common nicknames for Unknown?
What are good middle names for Unknown?
What are good sibling names for Unknown?
How many syllables does Unknown have?
Is Unknown a common or rare name?
About the Name Unknown
Unknown is a girl name with American origins . The name means "not known, mysterious" in Old English (un + cnawan) .
Is Unknown a boy or girl name? Unknown is used as both a girl and boy name. As a girl name, it ranks #3,959 in popularity. As a boy name, it ranks #3,194. Unknown is more commonly used as a boy name.
Unknown is currently ranked #3,959 in popularity for girl names in the United States.
The name Unknown has 2 syllables and is pronounced uhnn-OHN, making it easy to pronounce and remember.
Common nicknames for Unknown include Unk and Una. These shorter forms provide casual alternatives while keeping the elegance of the full name.
Keep Exploring
Recommended for Parents
Start a registry
Free welcome box on Amazon
Baby Name Wizard
Names that actually age well
Nursery name sign
Personalized wooden letters
We may earn a commission from these links.
Sources
- U.S. Social Security Administration — National Baby Names Data (popularity rankings and historical trends)
- Behind the Name (etymology and meaning research)
- NamingEverything editorial research and analysis