Costello vs Cosmo
Side-by-side comparison of Costello and Cosmo - popularity rank, total births, peak decade, and historical trends from Social Security Administration data.
Which name is more popular?
| Metric | Costello | Cosmo |
| Current Rank | #10855 | #1935 |
| Total Births (all years) | 67 | 2,949 |
| Peak Year | 1951 | 2022 |
| Peak Year Births | 11 | 99 |
| Peak Decade | 1950s | 2020s |
| Gender | Boy | Boy |
| First Recorded Year | 1942 | 1910 |
Births by Decade
| Decade | Costello | Cosmo |
| 1910s | - | 254 |
| 1920s | - | 452 |
| 1930s | - | 286 |
| 1940s | 5 | 191 |
| 1950s | 23 | 191 |
| 1960s | - | 121 |
| 1970s | 11 | 128 |
| 1980s | - | 108 |
| 1990s | - | 172 |
| 2000s | 12 | 254 |
| 2010s | 5 | 282 |
| 2020s | 11 | 510 |
Recent Annual Births (2014–present)
| Year | Costello | Cosmo |
| 2014 | - | 14 |
| 2015 | - | 32 |
| 2016 | - | 21 |
| 2017 | - | 42 |
| 2018 | - | 41 |
| 2019 | - | 49 |
| 2020 | - | 60 |
| 2021 | 5 | 78 |
| 2022 | - | 99 |
| 2023 | - | 94 |
| 2024 | - | 99 |
| 2025 | 6 | 80 |