Caselynn is a distinctive girls' name in United States, ranking #13345 in 2014 with 7 recorded births. This places Caselynn in the bottom 31% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2017 with 10 births ranking #10107. In 2014, approximately 1 in every 255,134 girls born was named Caselynn. FALLING Recent data shows the name is currently falling.