Iantha has been given to about 511 people in the United States since 1880. It was most common in 1915, which makes it a Edwardian name.
Its best year was 1915, when 16 babies were given the name, ranking 1997th. The typical living American called Iantha is about 75 years old today.
Source: US Social Security Administration, national and state name files, 2025 release. Etymology researched and written by our editors. Living-population and median-age figures are our own estimates, described in the methodology.