Clifford is a distinctive boys' name in United States, ranking #1275 in 2012 with 138 recorded births. The name reached its all-time peak in 1996 with 356 births ranking #538. Since 1996, the popularity has decreased by 61.2%. In 2012, approximately 1 in every 13,744 boys born was named Clifford. RISING Recent data shows the name is currently rising.