Total babies named Jahnessa (all years): 111
| Year | Girls (count / rank / %) |
|---|---|
| 2019 | 5 / #16522 / 0.000% |
| 2015 | 6 / #15257 / 0.000% |
| 2014 | 5 / #17599 / 0.000% |
| 2013 | 7 / #13747 / 0.000% |
| 2012 | 7 / #14087 / 0.000% |
| 2011 | 9 / #11563 / 0.001% |
| 2010 | 9 / #11644 / 0.001% |
| 2009 | 6 / #16013 / 0.000% |
| 2008 | 5 / #18650 / 0.000% |
| 2007 | 5 / #18746 / 0.000% |
| Year | Girls (count / rank / %) |
|---|---|
| 2006 | 5 / #18277 / 0.000% |
| 2005 | 6 / #15250 / 0.000% |
| 2004 | 5 / #17169 / 0.000% |
| 2003 | 10 / #9967 / 0.001% |
| 2002 | 8 / #11527 / 0.000% |
| 2001 | 6 / #14219 / 0.000% |
| 1998 | 7 / #11617 / 0.000% |