Izaak is an uncommon boys' name that peaked in 2011 and has grown less common since.
Izaak is a boy name. In 2025 it ranked #3,016 for boy births in the United States (and #6,450 across all names), given to 41 babies. Izaak first appears in 1972 and peaked in 2011 (138 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 41 | 41 | #3,016 |
| 2024 | 55 | 55 | #2,488 |
| 2023 | 42 | 42 | #2,971 |
| 2022 | 74 | 74 | #2,049 |
| 2021 | 57 | 57 | #2,393 |
| 2020 | 65 | 65 | #2,152 |
| 2019 | 57 | 57 | #2,374 |
| 2018 | 53 | 53 | #2,455 |
| 2017 | 55 | 55 | #2,362 |
| 2016 | 66 | 66 | #2,120 |
| 2015 | 90 | 90 | #1,722 |
| 2014 | 107 | 107 | #1,508 |
| 2013 | 108 | 108 | #1,504 |
| 2012 | 124 | 124 | #1,362 |
| 2011 | 138 | 138 | #1,255 |
| 2010 | 116 | 116 | #1,432 |
| 2009 | 122 | 122 | #1,397 |
| 2008 | 119 | 119 | #1,416 |
| 2007 | 109 | 109 | #1,469 |
| 2006 | 111 | 111 | #1,415 |
| 2005 | 115 | 115 | #1,316 |
| 2004 | 118 | 118 | #1,277 |
| 2003 | 89 | 89 | #1,471 |
| 2002 | 96 | 96 | #1,374 |
| 2001 | 89 | 89 | #1,406 |
| 2000 | 80 | 80 | #1,508 |
| 1999 | 75 | 75 | #1,511 |
| 1998 | 64 | 64 | #1,628 |
| 1997 | 56 | — | #1,740 |
| 1996 | 46 | — | #1,942 |
| 1995 | 38 | — | #2,153 |
| 1994 | 38 | — | #2,143 |
| 1993 | 28 | — | #2,608 |
| 1992 | 25 | — | #2,768 |
| 1991 | 18 | — | #3,382 |
| 1990 | 12 | — | #4,515 |
| 1989 | 9 | — | #5,344 |
| 1988 | 7 | — | #6,034 |
| 1987 | 8 | — | #5,153 |
| 1986 | 7 | — | #5,574 |
| 1985 | 6 | — | #6,088 |
| 1984 | 8 | — | #4,724 |
| 1983 | 7 | — | #5,134 |
| 1982 | 11 | — | #3,788 |
| 1981 | 9 | — | #4,301 |
| 1980 | 14 | — | #3,162 |
| 1979 | 16 | — | #2,828 |
| 1978 | 16 | — | #2,722 |
| 1977 | 9 | — | #3,967 |
| 1976 | 16 | — | #2,649 |
| 1975 | 19 | — | #2,316 |
| 1974 | 20 | — | #2,159 |
| 1973 | 6 | — | #4,751 |
| 1972 | 5 | — | #5,290 |