Kacelyn is a distinctive girls' name in United States, ranking #12376 in 2005 with 8 recorded births. This places Kacelyn in the bottom 36% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2025 with 39 births ranking #3804. In 2005, approximately 1 in every 230,962 girls born was named Kacelyn. RISING Recent data shows the name is currently rising.