Moira is a distinctive girls' name in United States, ranking #2054 in 2010 with 97 recorded births. The name reached its all-time peak in 1997 with 133 births ranking #1311. Since 1996, the popularity has decreased by 11.8%. In 2010, approximately 1 in every 18,323 girls born was named Moira. FALLING Recent data shows the name is currently falling.