Total babies named Brenndan (all years): 56
| Year | Boys (count / rank / %) |
|---|---|
| 2004 | 5 / #11589 / 0.000% |
| 2003 | 7 / #8776 / 0.000% |
| 2000 | 6 / #9224 / 0.000% |
| 1999 | 7 / #7965 / 0.000% |
| 1998 | 8 / #6927 / 0.000% |
| 1997 | 12 / #4991 / 0.001% |
| 1996 | 6 / #8076 / 0.000% |
| 1995 | 5 / #9028 / 0.000% |