Jethro is a distinctive boys' name in United States, ranking #3667 in 2005 with 26 recorded births. This places Jethro in the top 27% 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 245 births ranking #953. Since 1996, the popularity has increased by 52.9%. In 2005, approximately 1 in every 76,813 boys born was named Jethro. RISING Recent data shows the name is currently rising.