Total babies named Hennessey (all years): 383
| Year | Girls (count / rank / %) |
|---|---|
| 2024 | 5 / #16129 / 0.000% |
| 2023 | 11 / #9221 / 0.001% |
| 2022 | 9 / #10687 / 0.001% |
| 2021 | 14 / #7773 / 0.001% |
| 2020 | 12 / #8596 / 0.001% |
| 2019 | 11 / #9339 / 0.001% |
| 2018 | 7 / #12967 / 0.000% |
| 2017 | 12 / #8983 / 0.001% |
| 2016 | 15 / #7745 / 0.001% |
| 2015 | 27 / #5037 / 0.002% |
| Year | Girls (count / rank / %) |
|---|---|
| 2014 | 12 / #9183 / 0.001% |
| 2013 | 12 / #9233 / 0.001% |
| 2012 | 11 / #9963 / 0.001% |
| 2011 | 13 / #8815 / 0.001% |
| 2010 | 13 / #8902 / 0.001% |
| 2009 | 23 / #5966 / 0.001% |
| 2008 | 14 / #8677 / 0.001% |
| 2007 | 13 / #9195 / 0.001% |
| 2006 | 14 / #8413 / 0.001% |
| 2005 | 15 / #7649 / 0.001% |
| Year | Girls (count / rank / %) |
|---|---|
| 2004 | 19 / #6324 / 0.001% |
| 2003 | 14 / #7728 / 0.001% |
| 2002 | 14 / #7562 / 0.001% |
| 2001 | 16 / #6732 / 0.001% |
| 2000 | 11 / #8785 / 0.001% |
| 1999 | 8 / #10704 / 0.000% |
| 1998 | 17 / #5892 / 0.001% |
| 1997 | 10 / #8574 / 0.001% |
| 1996 | 6 / #12383 / 0.000% |
| 1992 | 5 / #14053 / 0.000% |