Isaak is an uncommon variant of Isaac that peaked in 2009 and has since faded.
Isaak is a boy name. In 2025 it ranked #2,693 for boy births in the United States (and #5,777 across all names), given to 48 babies. Isaak was first reported in SSA data in 1976 and peaked in 2009 (218 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 48 | 48 | #2,693 |
| 2024 | 58 | 58 | #2,400 |
| 2023 | 55 | 55 | #2,452 |
| 2022 | 66 | 66 | #2,203 |
| 2021 | 66 | 66 | #2,161 |
| 2020 | 77 | 77 | #1,917 |
| 2019 | 98 | 98 | #1,655 |
| 2018 | 106 | 106 | #1,578 |
| 2017 | 108 | 108 | #1,529 |
| 2016 | 108 | 108 | #1,542 |
| 2015 | 122 | 122 | #1,409 |
| 2014 | 135 | 135 | #1,310 |
| 2013 | 148 | 148 | #1,212 |
| 2012 | 161 | 161 | #1,136 |
| 2011 | 178 | 178 | #1,061 |
| 2010 | 183 | 183 | #1,054 |
| 2009 | 218 | 218 | #940 |
| 2008 | 189 | 189 | #1,016 |
| 2007 | 195 | 195 | #999 |
| 2006 | 165 | 165 | #1,077 |
| 2005 | 173 | 173 | #996 |
| 2004 | 189 | 189 | #904 |
| 2003 | 179 | 179 | #922 |
| 2002 | 214 | 214 | #805 |
| 2001 | 210 | 210 | #800 |
| 2000 | 148 | 148 | #1,000 |
| 1999 | 106 | 106 | #1,203 |
| 1998 | 101 | 101 | #1,219 |
| 1997 | 106 | — | #1,156 |
| 1996 | 97 | — | #1,184 |
| 1995 | 57 | — | #1,610 |
| 1994 | 45 | — | #1,874 |
| 1993 | 26 | — | #2,741 |
| 1992 | 23 | — | #2,944 |
| 1991 | 21 | — | #3,045 |
| 1990 | 18 | — | #3,366 |
| 1989 | 10 | — | #4,964 |
| 1988 | 8 | — | #5,409 |
| 1987 | 8 | — | #5,152 |
| 1986 | 5 | — | #7,147 |
| 1985 | 8 | — | #4,874 |
| 1984 | 6 | — | #5,875 |
| 1982 | 7 | — | #5,261 |
| 1981 | 9 | — | #4,299 |
| 1980 | 8 | — | #4,681 |
| 1976 | 5 | — | #5,958 |