Haddy is a distinctive girls' name in United States, ranking #8563 in 2016 with 13 recorded births. This places Haddy in the top 45% 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 2016, approximately 1 in every 136,268 girls born was named Haddy. FALLING Recent data shows the name is currently falling.