Jethro has been given to about 4,325 people in the United States since 1880. It was most common in 2025, which makes it a current name.
Jethro ranks 953rd among American boys in 2025, with 245 born that year. Its best year was 2025, when 245 babies were given the name, ranking 953rd. The typical living American called Jethro is about 11 years old today. It is relatively most common in Kansas, where it accounts for 0.03% of births.
Source: US Social Security Administration, national and state name files, 2025 release, and the Office for National Statistics for England and Wales. Etymology researched and written by our editors. Living-population and median-age figures are our own estimates, described in the methodology.