Pure
Katryna is a modern phonetic variant of Katrina, which itself is a German and Dutch diminutive of Katherine. The name ultimately derives from the Greek name Aikaterine, which has long been associated with the Greek word 'katharos', meaning pure.
Less common today
Katryna isn't in the latest US Top 1000. It last peaked at #2,675 in 1992.
Former professional basketball player in the WNBA
Member of the folk-rock band The Nields
US births per 5-year period, 1990βpresent (SSA data).