Dax is a distinctive boys' name in England & Wales, ranking #1467 in 2001 with 9 recorded births. This places Dax in the top 36% of ranked UK boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2021 with 33 births ranking #907. In 2001, approximately 1 in every 31,980 boys born was named Dax. FALLING Recent data shows the name is currently falling.