Clifford is a distinctive boys' name in United States, ranking #1239 in 2015 with 147 recorded births. This places Clifford in the top 9% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1996 with 356 births ranking #538. Since 1996, the popularity has decreased by 58.7%. In 2015, approximately 1 in every 13,036 boys born was named Clifford. RISING Recent data shows the name is currently rising.