Kamau is a distinctive boys' name in United States, ranking #5423 in 2006 with 16 recorded births. This places Kamau in the top 39% 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 40.7%. In 2006, approximately 1 in every 128,445 boys born was named Kamau. STABLE Recent data shows the name is currently stable.