Free man or woman
Karlin is a variant of the Germanic name Karl or the Scandinavian name Karline. It ultimately derives from the word 'karl', which referred to a free person who was not part of the nobility but was not enslaved.
Less common today
Karlin isn't in the latest US Top 1000. It last peaked at #4,836 in 1999.
US births per 5-year period, 1990βpresent (SSA data).
Alaska state director for The Wilderness Society