Total babies named Decimus (all years): 59
| Year | Boys (count / rank / %) |
|---|---|
| 2020 | 5 / #12476 / 0.000% |
| 2019 | 5 / #12600 / 0.000% |
| 2018 | 8 / #9022 / 0.000% |
| 2015 | 7 / #9792 / 0.000% |
| 2014 | 5 / #12511 / 0.000% |
| 2012 | 8 / #9053 / 0.000% |
| 2009 | 7 / #10108 / 0.000% |
| 2008 | 6 / #11385 / 0.000% |
| 2006 | 8 / #8902 / 0.000% |