Jefferey is a distinctive boys' name in United States, ranking #5411 in 2005 with 15 recorded births. 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.