Moira is a distinctive girls' name in United States, ranking #1590 in 2004 with 124 recorded births. The name reached its all-time peak in 1997 with 133 births ranking #1311. Since 1996, the popularity has increased by 12.7%. In 2004, approximately 1 in every 14,807 girls born was named Moira. FALLING Recent data shows the name is currently falling.