Daleyza has been given to about 12,338 people in the United States since 1880. It was most common in 2014, which makes it a millennial-parent name.
Daleyza ranks 538th among American girls in 2025, with 562 born that year. Its best year was 2014, when 1,469 babies were given the name, ranking 227th. The typical living American called Daleyza is about 8 years old today. It is relatively most common in New Mexico, where it accounts for 0.11% 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.