Flannery is a distinctive girls' name in United States, ranking #9142 in 2020 with 11 recorded births. The name reached its all-time peak in 2006 with 23 births ranking #5787. Since 1996, the popularity has decreased by 15.4%. In 2020, approximately 1 in every 146,865 girls born was named Flannery. FALLING Recent data shows the name is currently falling.