Pecos is a distinctive boys' name in United States, ranking #11892 in 2012 with 6 recorded births. This places Pecos in the bottom 17% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2025 with 11 births ranking #7550. In 2012, approximately 1 in every 316,104 boys born was named Pecos. RISING Recent data shows the name is currently rising.