Total babies named Oisin (all years): 491
| Year | Boys (count / rank / %) |
|---|---|
| 2024 | 26 / #4145 / 0.002% |
| 2023 | 25 / #4304 / 0.001% |
| 2022 | 29 / #3841 / 0.002% |
| 2021 | 24 / #4331 / 0.001% |
| 2020 | 31 / #3546 / 0.002% |
| 2019 | 16 / #5727 / 0.001% |
| 2018 | 28 / #3859 / 0.002% |
| 2017 | 21 / #4699 / 0.001% |
| 2016 | 21 / #4725 / 0.001% |
| 2015 | 16 / #5668 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 2014 | 16 / #5648 / 0.001% |
| 2013 | 16 / #5573 / 0.001% |
| 2012 | 17 / #5429 / 0.001% |
| 2011 | 15 / #5870 / 0.001% |
| 2010 | 15 / #5956 / 0.001% |
| 2009 | 20 / #4879 / 0.001% |
| 2008 | 11 / #7569 / 0.001% |
| 2007 | 12 / #6965 / 0.001% |
| 2006 | 16 / #5467 / 0.001% |
| 2005 | 13 / #6121 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 2004 | 15 / #5420 / 0.001% |
| 2003 | 14 / #5471 / 0.001% |
| 2002 | 12 / #5974 / 0.001% |
| 2001 | 10 / #6791 / 0.001% |
| 2000 | 9 / #7243 / 0.000% |
| 1999 | 11 / #5936 / 0.001% |
| 1998 | 9 / #6691 / 0.000% |
| 1997 | 7 / #7889 / 0.000% |
| 1995 | 10 / #5788 / 0.001% |
| 1991 | 6 / #7971 / 0.000% |