Flannery is a distinctive girls' name in United States, ranking #13773 in 2025 with 6 recorded births. The name reached its all-time peak in 2006 with 23 births ranking #5787. Since 1996, the popularity has decreased by 53.8%. In 2025, approximately 1 in every 267,878 girls born was named Flannery. FALLING Recent data shows the name is currently falling.