How Common is the First Name Unknown?
We estimate that there are 15,063 people named Unknown who are currently alive and were born in the United States. Unknown is the 1,712nd most common for women, and the 1,910th most common overall.
How Old are People Named Unknown?
The average person named Unknown is 51.38 years old.
Is Unknown a Popular Baby Name Right Now?
95 people named Unknown were born in the U.S. in 2025. It was the 3,249th most popular name for girls, and the 3,652nd most popular overall.
The popularity of Unknown peaked in 1952, when it was the 330th most popular name for baby girls.
Is Unknown a Boy's Name or a Girl's Name?
Unknown is a unisex name. 51.6% of people named Unknown are female, while 48.4% are male.