Sotero is a distinctive boys' name in United States, ranking #7028 in 1999 with 9 recorded births. This places Sotero in the bottom 39% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1996 with 10 births ranking #5918. In 1999, approximately 1 in every 213,343 boys born was named Sotero. FALLING Recent data shows the name is currently falling.