Mattalyn is a distinctive girls' name in United States, ranking #15288 in 2017 with 6 recorded births. The name reached its all-time peak in 2008 with 16 births ranking #7981. Since 1996, the popularity has increased by 20.0%. In 2017, approximately 1 in every 287,646 girls born was named Mattalyn. FALLING Recent data shows the name is currently falling.