Bailey has been given to about 132,544 people in the United States since 1880. It was most common in 1998, which makes it a Gen X and millennial name.
Bailey ranks 209th among American unisexs in 2025, with 1,584 born that year. Its best year was 1998, when 7,437 babies were given the name, ranking 60th. The typical living American called Bailey is about 23 years old today. It is relatively most common in Vermont, where it accounts for 0.32% 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.