Masculine dossier · first seen 1880
Unknown
Endangered
Down 91.4% from peak
Peak era
1954
Peak births
548
Current vitality
Rare
Peak generation
Boomer
1880Peak 19542025
Quick answers about Unknown
How many people are named Unknown?
An estimated 7,405 living Americans are named Unknown.
How rare is Unknown?
Unknown is very rare among babies today, with 47 boys receiving the name in 2025, down 91.4% from its 1954 peak.
How old is the typical Unknown?
The median age of a living American named Unknown is approximately 63 years, with most bearers falling between 31 and 72 years old.
Is Unknown still popular?
No. Unknown is endangered as a baby name, down 91.4% from its 1954 peak with 47 births in 2025.
Where is Unknown most common?
Unknown has its strongest geographic signal in Oregon, where it appeared 47.8× more often than the national baseline in the 2020s.
Peak year
1954
Decline from peak
91.4%
2025
47
All-time
9,888
Where it lives now
Unknown is most concentrated in Oregon — about 47.8× the national rate in the 2020s.
States where Unknown is given more often than the national average — its present-day heartland.