Caitrin is a distinctive girls' name in United States, ranking #9945 in 1997 with 8 recorded births. The name reached its all-time peak in 2005 with 17 births ranking #6881. Since 1996, the popularity has decreased by 50.0%. In 1997, approximately 1 in every 217,582 girls born was named Caitrin. FALLING Recent data shows the name is currently falling.