Mairin is a distinctive girls' name in United States, ranking #5324 in 2009 with 27 recorded births. The name reached its all-time peak in 2007 with 43 births ranking #3762. Since 1996, the popularity has increased by 145.5%. In 2009, approximately 1 in every 68,032 girls born was named Mairin. FALLING Recent data shows the name is currently falling.