Jairo has been given to about 11,483 people in the United States since 1880. It was most common in 2008, which makes it a millennial-parent name.
Jairo ranks 935th among American boys in 2025, with 251 born that year. Its best year was 2008, when 473 babies were given the name, ranking 556th. The typical living American called Jairo is about 20 years old today. It is relatively most common in New Mexico, where it accounts for 0.06% 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.