Jeffery is a moderately popular boys' name in United States, ranking #333 in 2000 with 837 recorded births. The name reached its all-time peak in 1996 with 1,119 births ranking #255. Since 1996, the popularity has decreased by 25.2%. In 2000, approximately 1 in every 2,346 boys born was named Jeffery. FALLING Recent data shows the name is currently falling.