Total babies named Riordan (all years): 285
| Year | Boys (count / rank / %) |
|---|---|
| 2023 | 11 / #7636 / 0.001% |
| 2022 | 11 / #7642 / 0.001% |
| 2021 | 8 / #9511 / 0.000% |
| 2020 | 7 / #10370 / 0.000% |
| 2019 | 9 / #8725 / 0.001% |
| 2018 | 7 / #10508 / 0.000% |
| 2017 | 6 / #11909 / 0.000% |
| 2016 | 7 / #10506 / 0.000% |
| 2015 | 10 / #7918 / 0.001% |
| 2014 | 8 / #9440 / 0.000% |
| Year | Boys (count / rank / %) |
|---|---|
| 2013 | 18 / #5127 / 0.001% |
| 2012 | 13 / #6571 / 0.001% |
| 2011 | 11 / #7397 / 0.001% |
| 2010 | 8 / #9486 / 0.000% |
| 2009 | 11 / #7590 / 0.001% |
| 2008 | 13 / #6687 / 0.001% |
| 2007 | 12 / #6993 / 0.001% |
| 2006 | 9 / #8587 / 0.000% |
| 2004 | 10 / #7407 / 0.001% |
| 2003 | 10 / #7136 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 2002 | 9 / #7501 / 0.000% |
| 2001 | 12 / #5942 / 0.001% |
| 2000 | 11 / #6224 / 0.001% |
| 1999 | 10 / #6410 / 0.001% |
| 1998 | 9 / #6726 / 0.000% |
| 1997 | 5 / #10482 / 0.000% |
| 1995 | 5 / #10000 / 0.000% |
| 1992 | 8 / #6568 / 0.000% |
| 1989 | 5 / #8958 / 0.000% |
| 1988 | 7 / #6290 / 0.000% |
| Year | Boys (count / rank / %) |
|---|---|
| 1986 | 5 / #7586 / 0.000% |