Total babies named Tiernan (all years): 1,647
| Year | Boys (count / rank / %) |
|---|---|
| 2024 | 26 / #4166 / 0.002% |
| 2023 | 35 / #3404 / 0.002% |
| 2022 | 38 / #3205 / 0.002% |
| 2021 | 32 / #3570 / 0.002% |
| 2020 | 20 / #4839 / 0.001% |
| 2019 | 24 / #4319 / 0.001% |
| 2018 | 28 / #3876 / 0.002% |
| 2017 | 26 / #4095 / 0.001% |
| 2016 | 36 / #3220 / 0.002% |
| 2015 | 46 / #2677 / 0.002% |
| Year | Boys (count / rank / %) |
|---|---|
| 2014 | 49 / #2540 / 0.003% |
| 2013 | 53 / #2397 / 0.003% |
| 2012 | 56 / #2319 / 0.003% |
| 2011 | 73 / #1923 / 0.004% |
| 2010 | 73 / #1937 / 0.004% |
| 2009 | 85 / #1787 / 0.004% |
| 2008 | 78 / #1872 / 0.004% |
| 2007 | 86 / #1738 / 0.004% |
| 2006 | 67 / #2007 / 0.003% |
| 2005 | 69 / #1866 / 0.003% |
| Year | Boys (count / rank / %) |
|---|---|
| 2004 | 68 / #1832 / 0.003% |
| 2003 | 62 / #1904 / 0.003% |
| 2002 | 55 / #2015 / 0.003% |
| 2001 | 49 / #2145 / 0.003% |
| 2000 | 41 / #2371 / 0.002% |
| 1999 | 39 / #2339 / 0.002% |
| 1998 | 35 / #2501 / 0.002% |
| 1997 | 18 / #3865 / 0.001% |
| 1996 | 17 / #4002 / 0.001% |
| 1995 | 16 / #4033 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 1994 | 7 / #7691 / 0.000% |
| 1993 | 12 / #4966 / 0.001% |
| 1992 | 10 / #5606 / 0.001% |
| 1991 | 8 / #6460 / 0.000% |
| 1989 | 5 / #9109 / 0.000% |
| 1988 | 5 / #8393 / 0.000% |
| 1985 | 5 / #7498 / 0.000% |