Not known or identified
Derived from the English word, this name signifies mystery or a lack of identification. In historical records, it was often used as a placeholder for unnamed individuals, but it has recently seen fringe use as a bold, literal word-name.
Less common today
Unknown isn't in the latest US Top 1000. It last peaked at #588 in 1991.
US births per 5-year period, 1990βpresent (SSA data).
Country singer and voice actor known for Squidbillies
Psychedelic rock band led by Ruban Nielson