Mairin is a distinctive girls' name in United States, ranking #7100 in 2020 with 16 recorded births. The name reached its all-time peak in 2007 with 43 births ranking #3762. Since 1996, the popularity has increased by 45.5%. In 2020, approximately 1 in every 100,970 girls born was named Mairin. FALLING Recent data shows the name is currently falling.