Katlin is a distinctive girls' name in United States, ranking #4673 in 2010 with 31 recorded births. The name reached its all-time peak in 1996 with 339 births ranking #654. Since 1996, the popularity has decreased by 90.9%. In 2010, approximately 1 in every 57,333 girls born was named Katlin. FALLING Recent data shows the name is currently falling.