Haley has been given to about 160,347 people in the United States since 1880. It was most common in 2000, which makes it a millennial-parent name.
Haley ranks 861st among American girls in 2025, with 314 born that year. Its best year was 2000, when 9,100 babies were given the name, ranking 28th. The typical living American called Haley is about 27 years old today. It is relatively most common in North Dakota, where it accounts for 0.08% 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.