Dafney is a distinctive girls' name in United States, ranking #9542 in 2001 with 10 recorded births. This places Dafney in the bottom 47% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2001 with 10 births ranking #9542. In 2001, approximately 1 in every 180,056 girls born was named Dafney. FALLING Recent data shows the name is currently falling.