Elly has been given to about 4,595 people in the United States since 1880. It was most common in 2010, which makes it a millennial-parent name.
Its best year was 2010, when 191 babies were given the name, ranking 1254th. The typical living American called Elly is about 16 years old today. It is relatively most common in Ohio, 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.