Radek

#13,420 in 2025Boys' name

Happy, willing

Radek has been given to 182 babies in the U.S. since 2003. In 2025 it ranked #13,420 of 13,926 boys’ names in use. Its peak year was 2009, with 17 recorded.

Babies named Radek, 2025

1 in 663,000

Radek over time, 1880–2025

Boys

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Radek: meaning, origin, and history

Happy, willing

Deeper origin not confirmed in the cited records

What Radek means

Radek means “happy, willing”.

Documented naming usage and pronunciation

Radek is used in Czech and Polish.

Another recorded pronunciation is /ˈra.dɛk/ for Radek.

Related names and everyday forms

Related names include Radosław.

Pronunciation and spelling

In Czech, Radek is pronounced [ˈradɛk].

American usage and historical context

In the United States, 182 boys were recorded with the name Radek between 2003 and 2025. Its highest annual count was 17 in 2009; its best national rank was #5,486 in 2009.

Over 5 years its rank fell, from #8,564 in 2020 to #13,420 in 2025. Over 10 years its rank fell, from #10,359 in 2015 to #13,420 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 Radek?

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

Among all babies, 2025: 1 in 663,000; 5 of 3,315,165 births
Among boys only: 1 in 342,000; <0.01% of boys
Rank, 2025: #13,420; of 13,926 boys’ names in use
Coin-flip room size: 459,581 kids; Even odds of a second one

Where Radek 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 459,581 children born in 2025 and it's an even bet that one of them is another Radek. In a class of 30 the chance is Under 1%.

When Radeks were born

Half of everyone ever recorded as Radek was born before 2012 — so the typical Radek is around 13 today.

Median birth year: 2012; About 13 years old
Biggest decade: 2010s; 45.1% of all use
Born in the last 25 years: 100.0%; A modern name
Recorded since 1950: 182; People you could plausibly meet

Choose a decade

2010s — 45.1% of all recorded uses (82).

Is Radek 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: —; Not ranked then
Rank vs 5 years ago: −4,856; Places dropped
Rank vs 10 years ago: −3,061; Places dropped
Births vs 10 years ago: 0.71×; Fewer babies than then
Share of its own peak: 29.4%; Peak was 2009 (17)
Years since peak: 16; Years
Year-to-year steadiness: Volatile; 33.7% average annual change
Best rank ever: #5,486; 2009

Spellings of Radek

Radek is not the most common spelling — Jaden is, with 13.9% against Radek's 0.03%.

Jaden13.9%81,469
Wade13.1%76,498
Caden12.3%72,045
Kaden11.9%69,595
Ryder11.4%66,639
Braden7.9%46,235
Cade5.9%34,772
Kade4.0%23,294

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.

Radek around the world

Where Radek 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
2008–2024
#5,120
in 2024
Canada
2003–2008
#2,611
in 2008

Popularity data from Office for National Statistics and Statistics Canada. ONS data under Open Government Licence v3.0. StatCan data under Statistics Canada Open Licence.

Radek by the numbers

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

As a boy's name

Rank in 2025: #13,420
Trend vs 5 yrs ago: Down 4,856
Best rank ever: #5,486; 2009
Peak year: 2009; 17 that year
First recorded: 2003
Last recorded: 2025
All-time count: 182
Count in 2025: 5

Names similar to Radek

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

Radin Radwan Raden Radlee Rad Radd Rader Radley Radnor Radford Radyn Raddix Radu Radeen Radvin Radames Rade Radie Radly Radix Radi Radhames Radee Radric

Sibling names for Radek

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

For a sister

Abagail Shyann Halie Sydni Sydnie Alysa Allyssa Jacquelin

For a brother

Kale Brennen Gavyn Jerimiah Jarod Keven Jamarcus Nevin

Explore around Radek

Top names of 2009, Radek's peak year The 2000s in full Other names that peaked in 2009 Boys' names starting with R Czech Boy Names