Jeffery is a moderately popular boys' name in United States, ranking #431 in 2006 with 643 recorded births. The name reached its all-time peak in 1996 with 1,119 births ranking #255. Since 1996, the popularity has decreased by 42.5%. In 2006, approximately 1 in every 3,196 boys born was named Jeffery. FALLING Recent data shows the name is currently falling.