Flannery is a distinctive girls' name in United States, ranking #8884 in 2004 with 12 recorded births. This places Flannery in the top 47% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2006 with 23 births ranking #5787. In 2004, approximately 1 in every 153,010 girls born was named Flannery. FALLING Recent data shows the name is currently falling.