Isaak
Boy name · #2699 in 2025 · Uniqueness 86/100
In 2025, 48 baby boys were named Isaak, placing it at #2699 in the official national rankings. A decade ago it stood at #1406, so the name has been falling over the past ten years. Roughly one in every 37,500 boys born in 2025 was named Isaak.
The 49-year story
Isaak first appears in the Social Security records in 1976, when 5 boys received the name. Its peak came in 2009, when 218 boys were named Isaak — good for #940 that year. Today's parents encounter it on its way down the popularity curve, which for many parents is exactly the appeal. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Babies named Isaak per year, 1880–2025. Source: SSA.
Unlock the 5-year forecast and compare Isaak against up to 5 other names.
Uniqueness: will there be another Isaak in class?
Isaak scores 86 out of 100 on our uniqueness scale, which blends current rarity with five-year momentum — putting it in the "rare" band. A high score means genuine rarity — your Isaak will likely be the only one in the room, with the occasional spelling-out as the price.
Where Isaak is most common
State-level data for Isaak is sparse in 2025 — the name's footprint is too small for most states to report (the SSA suppresses counts under 5 per state for privacy).
Names like Isaak
Statistically, parents drawn to Isaak tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Izaak, Isak, Izaac, Marek, and Ishan.
IzaakIsakIzaacMarekIshanJakubJavenPavel
Rank history (last 25 years)
| Year | Babies named Isaak | Rank |
|---|---|---|
| 2025 | 48 | #2676 |
| 2024 | 58 | #2393 |
| 2023 | 55 | #2441 |
| 2022 | 66 | #2191 |
| 2021 | 66 | #2157 |
| 2020 | 77 | #1911 |
| 2019 | 98 | #1652 |
| 2018 | 106 | #1576 |
| 2017 | 108 | #1525 |
| 2016 | 108 | #1539 |
| 2015 | 122 | #1406 |
| 2014 | 135 | #1306 |
| 2013 | 148 | #1211 |
| 2012 | 161 | #1135 |
| 2011 | 178 | #1056 |
| 2010 | 183 | #1053 |
| 2009 | 218 | #940 |
| 2008 | 189 | #1014 |
| 2007 | 195 | #996 |
| 2006 | 165 | #1077 |
| 2005 | 173 | #995 |
| 2004 | 189 | #904 |
| 2003 | 179 | #921 |
| 2002 | 214 | #803 |
| 2001 | 210 | #799 |
Frequently asked questions
Is Isaak a popular boy name?
Isaak ranked #2699 among boys in 2025 with 48 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #1406.
When was the name Isaak most popular?
Isaak peaked in 2009, when 218 American boys received the name (ranked #940 that year). Since 2009 the name has declined from that high.
How rare is the name Isaak?
In 2025, roughly 1 in 37,500 newborn American boys was named Isaak. It scores 86/100 on our uniqueness scale (rarity blended with momentum), which we classify as "rare".
Data source: U.S. Social Security Administration name statistics, 1880–2025, national and state files. Counts reflect Social Security card applications; names with fewer than 5 occurrences in a state-year are suppressed by the SSA.