Flannery is a distinctive girls' name in United States, ranking #6468 in 2010 with 20 recorded births. The name reached its all-time peak in 2006 with 23 births ranking #5787. Since 1996, the popularity has increased by 53.8%. In 2010, approximately 1 in every 88,866 girls born was named Flannery. FALLING Recent data shows the name is currently falling.