Kamau is a distinctive boys' name in United States, ranking #6518 in 2015 with 13 recorded births. The name reached its all-time peak in 1998 with 34 births ranking #2530. Since 1996, the popularity has decreased by 51.9%. In 2015, approximately 1 in every 147,404 boys born was named Kamau. STABLE Recent data shows the name is currently stable.