Jayna has been given to about 5,370 people in the United States since 1880. It was most common in 2006, which makes it a millennial-parent name.
Its best year was 2006, when 179 babies were given the name, ranking 1312th. The typical living American called Jayna is about 26 years old today. It is relatively most common in Indiana, where it accounts for 0.01% 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.