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Izaak

#3,015 in 2025Boys' name

To laugh, through יצחק

Izaak has been given to 2,889 babies in the U.S. since 1972. In 2025 it ranked #3,015 of 13,926 boys’ names in use. Its peak year was 2011, with 138 recorded.

Babies named Izaak, 2025

1 in 80,900

Izaak over time, 1880–2025

Boys
05010015018801900192019401960198020002020

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Izaak: meaning, origin, and history

To laugh, through יצחק

Ancient Greek, Hebrew and Latin

What Izaak means

Izaak belongs to the name family reached through Izaak → יצחק. Its meaning is “to laugh”.

Origin, language, and formation

Izaak is used in Polish. Its origins include Ancient Greek, Hebrew and Latin.

Izaak comes through Latin Isaāc, Ancient Greek Ἰσαάκ and Biblical Hebrew יצחק.

Related names and everyday forms

Related names include Isaac and יצחק.

Pronunciation and spelling

In Polish, Izaak is pronounced /iˈza.ak/.

American usage and historical context

In the United States, 2,889 boys were recorded with the name Izaak between 1972 and 2025. Its highest annual count was 138 in 2011; its best national rank was #1,255 in 2011.

Over 5 years its rank fell, from #2,152 in 2020 to #3,015 in 2025. Over 10 years its rank fell, from #1,722 in 2015 to #3,015 in 2025.

Sources & methodologyReferences, data & attribution

Meaning, origin, and language notes draw on the references below.

American popularity figures use published Social Security Administration records for this exact spelling. Counts below five for a name, sex, and year are omitted.

Wiktionary material is available under CC BY-SA 4.0.

How common is Izaak?

Everything below is computed from the 2025 data — the most recent year available.

Among all babies, 2025
1 in 80,900
41 of 3,315,165 births
Among boys only
1 in 41,700
<0.01% of boys
Rank, 2025
#3,015
of 13,926 boys’ names in use
Coin-flip room size
56,047 kids
Even odds of a second one

Where Izaak sits on the popularity scale

Rarest published (5 a year)#1 — Liam (20,818)

Chance at least one other child shares the name

If the other children were drawn at random from the 2025 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%
Class of 30Under 1%
Grade of 100Under 1%
School of 500Under 1%

Put another way: gather 56,047 children born in 2025 and it's an even bet that one of them is another Izaak. In a class of 30 the chance is Under 1%.

When Izaaks were born

Half of everyone ever recorded as Izaak was born before 2008 — so the typical Izaak is around 17 today.

Median birth year
2008
About 17 years old
Biggest decade
2000s
36.3% of all use
Born in the last 25 years
76.7%
A modern name
Recorded since 1950
2,889
People you could plausibly meet
Choose a decade

2000s — 36.3% of all recorded uses (1,048).

Is Izaak rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago
−527
Places dropped
Rank vs 5 years ago
−863
Places dropped
Rank vs 10 years ago
−1,293
Places dropped
Births vs 10 years ago
0.46×
Fewer babies than then
Share of its own peak
29.7%
Peak was 2011 (138)
Years since peak
14
Years
Year-to-year steadiness
Shifting
14.6% average annual change
Best rank ever
#1,255
2011

Spellings of Izaak

Izaak is not the most common spelling — Isaac is, with 86.1% against Izaak's 0.75%.

Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.

Where Izaak is used

Across 1910–2025, Izaak was most concentrated in Arizona — about 1 in 50,000 boys, against 1 in 105,943 across all states with data. It was least common in Wisconsin (1 in —).

02 per 100,000

Most concentrated

  1. 1Arizona1 in 50,000
  2. 2California1 in 50,000
  3. 3Colorado1 in 50,000
  4. 4Texas1 in 50,000
  5. 5Florida1 in 100,000
  6. 6Iowa1 in 100,000
  7. 7Idaho1 in 100,000
  8. 8Indiana1 in 100,000

Shading is the share of that state's recorded boys given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings. Izaak has too little recent state data to map, so this covers all years from 1910.

Izaak around the world

Where Izaak ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.

  • England & Wales
    1996–2025
    #2,133
    in 2025
  • Scotland
    2005–2023
    #728
    in 2023
  • France
    2002–2025
    #820
    in 2025
  • Canada
    1992–2024
    #2,550
    in 2024
  • South Australia
    1978–2013
    #754
    in 2013

Popularity data from Office for National Statistics, National Records of Scotland, Institut national de la statistique et des études économiques, Statistics Canada and Consumer and Business Services (South Australia). ONS, NRS data under Open Government Licence v3.0. INSEE data under Licence Ouverte / Etalab 2.0. StatCan data under Statistics Canada Open Licence. CBS SA data under CC BY 4.0.

Notable people named Izaak

People whose public names include Izaak, backed by Wikidata given-name records and ordered by linked Wikimedia pages. The name may be a middle name.

People data from Wikidata (CC0). Fame is measured, not judged — the order reflects how widely each person is documented, not the U.S. birth records popularity this page is otherwise about.

Izaak in other languages

Cross-language forms and variants of Izaak. Linked forms have their own page here.

IsacIsakIzakIsaacIsaakIshakIssacIzaacItzhakYitzhakIiroIzsákIsaccoIisakki

Variant forms from Wikidata (CC0). Most are used mainly outside the United States; U.S. birth records statistics cover US usage only.

Izaak by the numbers

The raw record for each sex the name is used for.

As a boy's name

Rank in 2025
#3,015
Trend vs 5 yrs ago
Down 863
Best rank ever
#1,255
2011
Peak year
2011
138 that year
First recorded
1972
Last recorded
2025
All-time count
2,889
Count in 2025
41

Names similar to Izaak

Matched on shared beginnings and endings, similar length, and comparable popularity.

IzaacIzaelIzayaIzanIzayahIzakIsaakIzaanIzackIzacIzaiahIzaiasIzaiyahIzaihIzaihaIzaccIzaiaIzaahIzarIzahaIzayiahIzachIzairIzayus

Names with a curve like Izaak

Not spelling — timing. These names rose, peaked and faded in the same years as Izaak, so they read as being from the same moment even when they look nothing alike.

WillemJavianDaylanKollinKhristianSebastienEianGeovannyJakubAryaJullianBrayton

Sibling names for Izaak

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

Explore around Izaak

Top names of 2011, Izaak's peak yearThe 2010s in fullOther names that peaked in 2011Boys' names starting with IPolish NamesUncommon Polish Boy Names