Jeffery is a moderately popular boys' name in United States, ranking #417 in 2004 with 623 recorded births. The name reached its all-time peak in 1996 with 1,119 births ranking #255. Since 1996, the popularity has decreased by 44.3%. In 2004, approximately 1 in every 3,186 boys born was named Jeffery. FALLING Recent data shows the name is currently falling.