Isack is a very rare variant of Isaac that peaked in 2004 and has since faded.
Isack is a boy name. It last appears in U.S. records in 2022. Isack first appears in 1997 and peaked in 2004 (13 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2022 | 6 | 6 | #11,406 |
| 2019 | 7 | 7 | #10,148 |
| 2018 | 6 | 6 | #11,316 |
| 2015 | 7 | 7 | #9,962 |
| 2013 | 6 | 6 | #11,269 |
| 2012 | 11 | 11 | #7,231 |
| 2011 | 12 | 12 | #6,756 |
| 2010 | 10 | 10 | #7,801 |
| 2009 | 10 | 10 | #7,926 |
| 2008 | 9 | 9 | #8,553 |
| 2007 | 6 | 6 | #11,456 |
| 2006 | 13 | 13 | #6,235 |
| 2005 | 11 | 11 | #6,815 |
| 2004 | 13 | 13 | #5,932 |
| 2003 | 8 | 8 | #8,134 |
| 2002 | 11 | 11 | #6,251 |
| 2001 | 9 | 9 | #7,135 |
| 2000 | 11 | 11 | #6,069 |
| 1999 | 6 | 6 | #9,147 |
| 1998 | 6 | 6 | #8,910 |
| 1997 | 7 | — | #7,591 |