Flannery is a distinctive girls' name in United States, ranking #7893 in 2013 with 15 recorded births. The name reached its all-time peak in 2006 with 23 births ranking #5787. Since 1996, the popularity has increased by 15.4%. In 2013, approximately 1 in every 116,961 girls born was named Flannery. FALLING Recent data shows the name is currently falling.