Decimus vs Declan
Side-by-side comparison of Decimus and Declan - popularity rank, total births, peak decade, and historical trends from Social Security Administration data.
Which name is more popular?
| Metric | Decimus | Declan |
| Current Rank | Unranked | #132 |
| Total Births (all years) | 67 | 58,547 |
| Peak Year | 2006 | 2019 |
| Peak Year Births | 8 | 3,971 |
| Peak Decade | 2010s | 2010s |
| Gender | Boy | Boy |
| First Recorded Year | 2006 | 1951 |
Births by Decade
| Decade | Decimus | Declan |
| 1950s | - | 27 |
| 1960s | - | 70 |
| 1970s | - | 53 |
| 1980s | - | 145 |
| 1990s | - | 1,135 |
| 2000s | 21 | 7,268 |
| 2010s | 33 | 31,107 |
| 2020s | 13 | 18,742 |
Recent Annual Births (2014–present)
| Year | Decimus | Declan |
| 2014 | 5 | 3,321 |
| 2015 | 7 | 3,587 |
| 2016 | - | 3,623 |
| 2017 | - | 3,470 |
| 2018 | 8 | 3,812 |
| 2019 | 5 | 3,971 |
| 2020 | 5 | 3,601 |
| 2021 | - | 3,647 |
| 2022 | - | 3,345 |
| 2023 | - | 2,814 |
| 2024 | - | 2,765 |
| 2025 | 8 | 2,570 |