Kamau is a distinctive boys' name in United States, ranking #3911 in 2001 with 21 recorded births. This places Kamau in the top 32% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1998 with 34 births ranking #2530. Since 1996, the popularity has decreased by 22.2%. In 2001, approximately 1 in every 92,516 boys born was named Kamau. STABLE Recent data shows the name is currently stable.