Caitlynn is a distinctive girls' name in United States, ranking #734 in 1998 with 297 recorded births. The name reached its all-time peak in 1998 with 297 births ranking #734. Since 1996, the popularity has increased by 52.3%. In 1998, approximately 1 in every 5,949 girls born was named Caitlynn. RISING Recent data shows the name is currently rising.