Mairin is a distinctive girls' name in United States, ranking #7025 in 2000 with 15 recorded births. This places Mairin in the top 40% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2007 with 43 births ranking #3762. Since 1996, the popularity has increased by 36.4%. In 2000, approximately 1 in every 121,065 girls born was named Mairin. FALLING Recent data shows the name is currently falling.