Kamau is a distinctive boys' name in United States, ranking #8433 in 2011 with 9 recorded births. The name reached its all-time peak in 1998 with 34 births ranking #2530. Since 1996, the popularity has decreased by 66.7%. In 2011, approximately 1 in every 210,999 boys born was named Kamau. STABLE Recent data shows the name is currently stable.