Clifford is a distinctive boys' name in United States, ranking #753 in 2000 with 224 recorded births. The name reached its all-time peak in 1996 with 356 births ranking #538. Since 1996, the popularity has decreased by 37.1%. In 2000, approximately 1 in every 8,768 boys born was named Clifford. RISING Recent data shows the name is currently rising.