Italian feminine of Giovanni, from Hebrew Yochanan — god is gracious. Saint Gianna Molla was canonised in 2004, which lifted the name in Catholic families.
Gianna ranks 33rd among American girls in 2025, with 5,634 born that year. Its best year was 2020, when 7,910 babies were given the name, ranking 13th. The typical living American called Gianna is about 11 years old today. It is relatively most common in Delaware, where it accounts for 0.46% 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.