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Unknown

♀ Girl

Pronounced un-NOHN /ʌnˈnoʊn/High

Meaning: From the English word unknown, 'not known, unidentified' — used very rarely as a given nameMedium

In 30 seconds: A genuine curiosity: Unknown is the English word itself, recorded rarely as a given name. We present it honestly as the word-name it is — mysterious by definition.

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Origin LowEnglish

MeaningFrom the English word unknown, 'not known, unidentified' — used very rarely as a given name

U.S. rank (2025)#3293 ↗ Rising

2025 U.S. births48 girls (0.00% of U.S. girls)

Peak year1954

Total births (all-time)≈ 9,823

Popularity in the U.S. · SSA data

U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.

SSA data updated May 2026. How we source & verify this data.

History & Origin

Unknown is the English word unknown, 'not known, unidentified', appearing occasionally in U.S. name data. Its use as a deliberate given name is very rare and not traditional, which we flag honestly rather than invent a heritage.

It registers only thinly in records, often reflecting the word's literal meaning. Vanishingly rare, mysterious by definition, and unconventional.

Did you know? Most appearances of 'Unknown' in name records reflect the word's literal use; as a chosen given name it is vanishingly rare and unconventional.

Overall data confidence 50%

U.S. Social Security Administration name files — appears rarely; often literal

Variations

Unknowne

Nicknames

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Famous Bearers

Famous bearers coming soon.

If you like Unknown…

Story— a companion modern word-name

Destiny— another concept-name

Journey— a fellow English word-name

Dawn— shares Unknown's English roots

Unique— shares Unknown's English roots

Explore names like Unknown

By themeuncertain english word-name

By meaningGift / Blessing

All themes →All meanings →All origins →

Frequently Asked

What does the name Unknown mean?

Unknown is the English word for 'not known'; its use as a given name is very rare, which we flag.

How do you pronounce Unknown?

It's said un-NOHN /ʌnˈnoʊn/ — two syllables, stress on the second.

Is Unknown a boy or girl name?

This page covers its rare use as a girl's name.

How popular is Unknown?

Unknown is vanishingly rare as a given name in the U.S.