Cailynn is a distinctive girls' name in United States, ranking #5341 in 2022 with 24 recorded births. The name reached its all-time peak in 2009 with 68 births ranking #2679. Since 1996, the popularity has increased by 60.0%. In 2022, approximately 1 in every 68,282 girls born was named Cailynn. FALLING Recent data shows the name is currently falling.