Clifford is a distinctive boys' name in United States, ranking #1119 in 2008 with 163 recorded births. The name reached its all-time peak in 1996 with 356 births ranking #538. Since 1996, the popularity has decreased by 54.2%. In 2008, approximately 1 in every 12,515 boys born was named Clifford. RISING Recent data shows the name is currently rising.