Total babies named Brennin (all years): 207
| Year | Boys (count / rank / %) |
|---|---|
| 2015 | 5 / #12335 / 0.000% |
| 2012 | 23 / #4268 / 0.001% |
| 2011 | 14 / #5986 / 0.001% |
| 2010 | 17 / #5280 / 0.001% |
| 2009 | 19 / #4946 / 0.001% |
| 2008 | 11 / #7260 / 0.001% |
| 2007 | 10 / #7671 / 0.000% |
| 2006 | 6 / #10840 / 0.000% |
| 2005 | 12 / #6273 / 0.001% |
| 2004 | 9 / #7600 / 0.000% |
| Year | Boys (count / rank / %) |
|---|---|
| 2003 | 12 / #5920 / 0.001% |
| 2002 | 9 / #7118 / 0.000% |
| 2001 | 7 / #8438 / 0.000% |
| 2000 | 9 / #6917 / 0.000% |
| 1999 | 8 / #7232 / 0.000% |
| 1998 | 14 / #4674 / 0.001% |
| 1997 | 8 / #6684 / 0.000% |
| 1994 | 6 / #7894 / 0.000% |
| 1992 | 8 / #6198 / 0.000% |