Pure
Katrin is a German and Scandinavian short form of Katherine. It shares the same etymological roots as the Greek name Aikaterine, which has long been associated with the Greek word 'katharos', meaning pure.
Less common today
Katrin isn't in the latest US Top 1000. It last peaked at #4,058 in 1990.
US births per 5-year period, 1990βpresent (SSA data).
Former Prime Minister of Iceland
English actress known for independent films
Estonian musician and member of Vanilla Ninja