Isak
Boy name · #3155 in 2025 · Very rare
How old is the name Isak? In official American birth records, Isak has been tracked continuously since 1979, giving it 46 years of documented American history.
Isak ranks #3155 among American boys' names as of 2025, with 38 newborns given the name that year. A decade ago it stood at #3299, so the name has been rising over the past ten years. Roughly one in every 47,368 boys born in 2025 was named Isak.
Babies named Isak per year. Source: Official national birth records.
The 46-year story
Isak first appears in the Social Security records in 1979, when 6 boys received the name. Its peak came in 2004, when 57 boys were named Isak — good for #2075 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.
Unlock the 5-year forecast and compare Isak against up to 5 other names.
Uniqueness: will there be another Isak in class?
On our rarity read — which blends how common Isak is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Isak will likely be the only one in the room, with the occasional spelling-out as the price.
Where Isak is most common
State-level data for Isak is too sparse in 2025 to rank by rate — in most states its count falls below the SSA's per-state reporting threshold (counts under 5 are withheld).
Names like Isak
Statistically, parents drawn to Isak tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Izaak, Isaak, Alek, Alen, and Izaac.
IzaakIsaakAlekAlenIzaacArikYashMarek
Rank history (last 25 years)
| Year | Babies named Isak | Rank |
|---|---|---|
| 2025 | 38 | #3128 |
| 2024 | 26 | #4072 |
| 2023 | 29 | #3802 |
| 2022 | 14 | #6147 |
| 2021 | 23 | #4362 |
| 2020 | 24 | #4141 |
| 2019 | 18 | #5153 |
| 2018 | 31 | #3524 |
| 2017 | 34 | #3312 |
| 2016 | 26 | #3990 |
| 2015 | 34 | #3299 |
| 2014 | 27 | #3787 |
| 2013 | 17 | #5171 |
| 2012 | 31 | #3450 |
| 2011 | 30 | #3510 |
| 2010 | 51 | #2429 |
| 2009 | 37 | #3105 |
| 2008 | 42 | #2828 |
| 2007 | 52 | #2442 |
| 2006 | 57 | #2221 |
| 2005 | 55 | #2182 |
| 2004 | 57 | #2075 |
| 2003 | 39 | #2579 |
| 2002 | 39 | #2504 |
| 2001 | 26 | #3321 |
Frequently asked questions
How old is the name Isak?
In official American birth records, the name Isak first appeared in 1979 (over 46 years ago), when 6 newborn boys received the name. It has been tracked in modern national records for 46 years.
Is Isak a popular boy name?
Isak ranked #3155 among boys in 2025 with 38 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #3299.
When was the name Isak most popular?
Isak peaked in 2004, when 57 American boys received the name (ranked #2075 that year). Since 2004 the name has declined from that high.
How rare is the name Isak?
In 2025, roughly 1 in 47,368 newborn American boys was named Isak. On our rarity scale (rarity blended with momentum) we classify it as "very rare".
Data source: Official American birth records, 1880–2025, national and state files. Counts reflect registered birth records for American families.