Flannery is a distinctive girls' name in United States, ranking #10374 in 2015 with 10 recorded births. The name reached its all-time peak in 2006 with 23 births ranking #5787. Since 1996, the popularity has decreased by 23.1%. In 2015, approximately 1 in every 178,465 girls born was named Flannery. FALLING Recent data shows the name is currently falling.