Pure
A rare American variant of Katherine, ultimately derived from the Greek name Aikaterine. While its exact etymology is debated, it has been associated with the Greek word 'katharos' meaning pure since the early Christian era.
Less common today
Kathern isn't in the latest US Top 1000. It last peaked at #5,562 in 1990.
US births per 5-year period, 1990βpresent (SSA data).