Total babies named Isiac (all years): 195
| Year | Boys (count / rank / %) |
|---|---|
| 2010 | 7 / #10081 / 0.000% |
| 2009 | 7 / #10264 / 0.000% |
| 2008 | 7 / #10301 / 0.000% |
| 2007 | 14 / #6033 / 0.001% |
| 2006 | 9 / #8271 / 0.000% |
| 2005 | 14 / #5684 / 0.001% |
| 2004 | 13 / #5934 / 0.001% |
| 2003 | 12 / #6011 / 0.001% |
| 2002 | 11 / #6252 / 0.001% |
| 2001 | 15 / #4979 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 2000 | 12 / #5709 / 0.001% |
| 1999 | 8 / #7429 / 0.000% |
| 1998 | 7 / #7902 / 0.000% |
| 1997 | 6 / #8576 / 0.000% |
| 1981 | 5 / #6681 / 0.000% |
| 1960 | 6 / #3830 / 0.000% |
| 1933 | 6 / #3453 / 0.001% |
| 1932 | 5 / #4025 / 0.000% |
| 1929 | 7 / #3388 / 0.001% |
| 1926 | 9 / #3016 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 1916 | 5 / #4198 / 0.001% |
| 1915 | 5 / #4089 / 0.001% |
| 1912 | 5 / #2714 / 0.001% |