Pure
Katrena is a rare phonetic variant of Katrina, which itself is a German and Scandinavian form of Katherine. It ultimately derives from the Greek name Aikaterine, which has long been associated with the Greek word 'katharos' meaning pure.
Less common today
Katrena isn't in the latest US Top 1000. It last peaked at #4,555 in 1993.
American fashion and portrait photographer
US births per 5-year period, 1990βpresent (SSA data).