Summer has been given to about 91,575 people in the United States since 1880. It was most common in 1998, which makes it a Gen X and millennial name.
Summer ranks 152nd among American girls in 2025, with 1,973 born that year. Its best year was 1998, when 2,558 babies were given the name, ranking 131st. The typical living American called Summer is about 24 years old today. It is relatively most common in Vermont, where it accounts for 0.23% 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.