Mairin is a distinctive girls' name in United States, ranking #4121 in 2011 with 36 recorded births. The name reached its all-time peak in 2007 with 43 births ranking #3762. Since 1996, the popularity has increased by 227.3%. In 2011, approximately 1 in every 48,856 girls born was named Mairin. FALLING Recent data shows the name is currently falling.