Jeffery is a moderately popular boys' name in United States, ranking #350 in 2001 with 779 recorded births. The name reached its all-time peak in 1996 with 1,119 births ranking #255. Since 1996, the popularity has decreased by 30.4%. In 2001, approximately 1 in every 2,494 boys born was named Jeffery. FALLING Recent data shows the name is currently falling.