Girl & boy name
Isa
Isa is currently the #929 boy name in the United States, based on 2025 Social Security data. In raw numbers: 253 babies. Momentum is clearly positive: five years ago it ranked #1297, now it sits at #929. Remarkably, 2025 is the strongest year in the entire SSA record for Isa, which stretches back to 1915. State by state, Virginia leads the way at #452.
Rankings
Isa popularity, 1880–2025
Where Isa is most popular
Uniqueness score
Well known, but far from crowded — the middle of the field. Based on how many babies per birth were named Isa in the most recent year of SSA data.
Similar names
Isa as a girl name
Isa holds the #1710 spot on the 2025 list of the most popular girl names in the U.S. That amounts to 119 newborn girls in a single year. The name is on the way up, moving from #2023 in 2020 to #1710 today. Its strongest year on record was 1881 (#405 nationally, 17 newborns), in a data series reaching back to 1880. The name's biggest fan base is in Wisconsin (#791 there in 2025).