Pure
A modern spelling variation of Caitlin, which is the Irish form of Catherine. It ultimately derives from the Greek name Aikaterine, though its association with the word 'katharos' meaning pure is the most widely accepted etymology.
Less common today
Caitlinn isn't in the latest US Top 1000. It last peaked at #6,132 in 2000.
US births per 5-year period, 1990–present (SSA data).
