Yamato is a distinctive boys' name in United States, ranking #7566 in 2007 with 11 recorded births. This places Yamato in the bottom 47% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2007 with 11 births ranking #7566. In 2007, approximately 1 in every 188,658 boys born was named Yamato. FALLING Recent data shows the name is currently falling.