Dark-haired or little dark one
Kiryn is a modern phonetic variant of the Irish name Kieran or Ciaran. It is derived from the Gaelic word 'ciar', meaning black or dark, often used to describe hair or complexion. While traditionally masculine in its original form, this spelling is frequently used as a unisex option in the United States.
Less common today
Kiryn isn't in the latest US Top 1000. It last peaked at #10,705 in 2011.
US births per 5-year period, 1990βpresent (SSA data).