Jethro is a distinctive boys' name in England & Wales, ranking #1406 in 2025 with 19 recorded births. The name reached its all-time peak in 2007 with 29 births ranking #883. Since 1996, the popularity has increased by 26.7%. In 2025, approximately 1 in every 14,312 boys born was named Jethro. RISING Recent data shows the name is currently rising.