Jefferey is a distinctive boys' name in United States, ranking #6732 in 2004 with 11 recorded births. This places Jefferey in the bottom 49% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1997 with 32 births ranking #2520. Since 1996, the popularity has decreased by 63.3%. In 2004, approximately 1 in every 180,437 boys born was named Jefferey. RISING Recent data shows the name is currently rising.