Matilyn is a distinctive girls' name in United States, ranking #3898 in 2015 with 39 recorded births. The name reached its all-time peak in 2008 with 63 births ranking #2846. Since 1996, the popularity has increased by 225.0%. In 2015, approximately 1 in every 45,760 girls born was named Matilyn. RISING Recent data shows the name is currently rising.