Eris has been given to about 3,343 people in the United States since 1880. It was most common in 1923, which makes it a interwar name.
Its best year was 1923, when 236 babies were given the name, ranking 457th. The typical living American called Eris is about 12 years old today. It is relatively most common in Louisiana, 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.