Blu is a distinctive boys' name in England & Wales, ranking #798 in 2019 with 39 recorded births. This places Blu in the top 13% of ranked UK boys' names for the year. Its actual usage is classified as Uncommon. The name reached its all-time peak in 2019 with 39 births ranking #798. Since 1996, the popularity has increased by 1,200.0%. In 2019, approximately 1 in every 7,791 boys born was named Blu. STABLE Recent data shows the name is currently stable.