Brock is a moderately popular boys' name in United States, ranking #268 in 2000 with 1,219 recorded births. This places Brock in the top 2% of ranked US boys' names for the year. Its actual usage is classified as Moderately Popular. The name reached its all-time peak in 2003 with 1,378 births ranking #243. Since 1996, the popularity has increased by 37.4%. In 2000, approximately 1 in every 1,611 boys born was named Brock. FALLING Recent data shows the name is currently falling.