Brock is a moderately popular boys' name in United States, ranking #281 in 2001 with 1,092 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 23.1%. In 2001, approximately 1 in every 1,779 boys born was named Brock. FALLING Recent data shows the name is currently falling.