Greek iris, "rainbow" — rainbow. The Greek messenger goddess who travelled along the rainbow; also a flower.
Iris ranks 61st among American girls in 2025, with 3,741 born that year. Its best year was 2025, when 3,741 babies were given the name, ranking 61st. The typical living American called Iris is about 24 years old today. It is relatively most common in Wyoming, where it accounts for 0.53% 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.