A follower of Christ
Keirsten is a modern American spelling variant of Kirsten, which is the Scandinavian form of Christina. It ultimately derives from the Greek name Christos, referring to a follower of the Christian faith. This specific spelling is rare and adds a unique visual flair to a traditional name.
Less common today
Keirsten isn't in the latest US Top 1000. It last peaked at #2,119 in 1996.
US births per 5-year period, 1990βpresent (SSA data).