Hennesy is a very rare girls' name that was most common in the 2010s and has all but disappeared.
Hennesy is a girl name. It last appears in U.S. records in 2014. Hennesy first appears in 2001 and peaked in 2010 (11 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2014 | 6 | 6 | #15,311 |
| 2012 | 8 | 8 | #12,645 |
| 2010 | 11 | 11 | #10,025 |
| 2009 | 9 | 9 | #11,827 |
| 2008 | 7 | 7 | #14,388 |
| 2007 | 6 | 6 | #16,209 |
| 2006 | 6 | 6 | #15,834 |
| 2005 | 9 | 9 | #11,234 |
| 2004 | 10 | 10 | #10,186 |
| 2003 | 5 | 5 | #16,679 |
| 2001 | 7 | 7 | #12,532 |