Haddy is a distinctive girls' name in United States, ranking #14443 in 2007 with 7 recorded births. This places Haddy in the bottom 30% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2016 with 13 births ranking #8563. In 2007, approximately 1 in every 274,635 girls born was named Haddy. FALLING Recent data shows the name is currently falling.