Jefferey is a distinctive boys' name in United States, ranking #5411 in 2005 with 15 recorded births. This places Jefferey in the top 40% 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 50.0%. In 2005, approximately 1 in every 133,143 boys born was named Jefferey. RISING Recent data shows the name is currently rising.