"The name Karynn experienced notable fluctuations in popularity between 1949 and 2017, with the highest birth years being 2007 (10 births) and 2005 (8 births). The average number of births per year was around 6, with peaks occurring roughly every decade. However, the name's popularity seems to have declined in recent years, with only 5 births each in 2012, 2014, and 2017."