Jeffery is a moderately popular boys' name in United States, ranking #374 in 2003 with 697 recorded births. The name reached its all-time peak in 1996 with 1,119 births ranking #255. Since 1996, the popularity has decreased by 37.7%. In 2003, approximately 1 in every 2,834 boys born was named Jeffery. FALLING Recent data shows the name is currently falling.