Caitrin is a distinctive girls' name in United States, ranking #7619 in 1998 with 12 recorded births. The name reached its all-time peak in 2005 with 17 births ranking #6881. Since 1996, the popularity has decreased by 25.0%. In 1998, approximately 1 in every 147,241 girls born was named Caitrin. FALLING Recent data shows the name is currently falling.