Matilyn is a distinctive girls' name in United States, ranking #5577 in 1999 with 19 recorded births. The name reached its all-time peak in 2008 with 63 births ranking #2846. Since 1996, the popularity has increased by 58.3%. In 1999, approximately 1 in every 93,357 girls born was named Matilyn. RISING Recent data shows the name is currently rising.