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Unknown
UnisexMeaning of Unknown: Modern American coinage; literal word used as a name
Unknown is a unisex name most strongly associated with American naming. It has 7 letters and 2 syllables, and it is familiar but far from overused — 1721st most popular name in the United States in 2025.
US rank 2025
#1721
95 babies in 2025
England & Wales 2024
—
Fewer than 3 babies or unlisted
US babies since 1880
19,714
First recorded 1880 · peak 1954
Trend
stable
Style: uncommon
Popularity over time
Gender split
50% boys · 50% girls, based on US, UK and international usage.
Origins & cultures
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US #4093UK #1025