Pure
Carrin is a rare variant of Karen or Carin, which ultimately derives from the Greek name Aikaterine. It is most commonly associated with the meaning of purity, though it also shares roots with the Gaelic word for 'friend'.
Less common today
Carrin isn't in the latest US Top 1000. It last peaked at #8,918 in 1993.
US births per 5-year period, 1990βpresent (SSA data).