Cailynn is a distinctive girls' name in United States, ranking #4580 in 2023 with 30 recorded births. The name reached its all-time peak in 2009 with 68 births ranking #2679. Since 1996, the popularity has increased by 100.0%. In 2023, approximately 1 in every 53,422 girls born was named Cailynn. FALLING Recent data shows the name is currently falling.