Moira is a distinctive girls' name in United States, ranking #1611 in 2006 with 133 recorded births. The name reached its all-time peak in 1997 with 133 births ranking #1311. Since 1996, the popularity has increased by 20.9%. In 2006, approximately 1 in every 14,294 girls born was named Moira. FALLING Recent data shows the name is currently falling.