Saku

Boys' name

Pure, innocent

Saku has been given to 5 babies in the U.S. since 2011. It was used fewer than 5 times in 2025, so it doesn't appear in the latest year's list — today it's a genuinely uncommon pick. Its peak year was 2011, with 5 recorded.

Babies named Saku, 2011

1 in 732,000

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Saku: meaning, origin, and history

Pure, innocent

Deeper origin not confirmed in the cited records

What Saku means

Saku means “pure, innocent”, associated with זכי.

Origin, language, and formation

Saku is used in Finnish.

Saku comes through Biblical Hebrew זכי.

Related names and everyday forms

Related names include Zach and Sakari.

Pronunciation and spelling

In Finnish, Saku is pronounced /ˈsɑku/.

American usage and historical context

In the United States, 5 boys were recorded with the name Saku between 2011 and 2011. Its highest annual count was 5 in 2011; its best national rank was #13,957 in 2011.

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 Saku?

Saku had fewer than 5 recorded uses in 2025, so these figures use 2011, the last year it was published.

Among all babies, 2011: 1 in 732,000; 5 of 3,657,935 births
Among boys only: 1 in 380,000; <0.01% of boys
Rank, 2011: Unranked; Fewer than 5 uses
Coin-flip room size: 507,099 kids; Even odds of a second one

Where Saku 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 2011 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 507,099 children born in 2011 and it's an even bet that one of them is another Saku. In a class of 30 the chance is Under 1%.

When Sakus were born

Half of everyone ever recorded as Saku was born before 2011 — so the typical Saku is around 14 today.

Median birth year: 2011; About 14 years old
Biggest decade: 2010s; 100.0% of all use
Born in the last 25 years: 100.0%; A modern name
Recorded since 1950: 5; People you could plausibly meet

Choose a decade

2010s — 100.0% of all recorded uses (5).

Is Saku 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: New entry; Not ranked then
Rank vs 10 years ago: —; Not ranked then
Births vs 10 years ago: —; Not published both years
Share of its own peak: 0%; Peak was 2011 (5)
Years since peak: 14; Years
Year-to-year steadiness: Not enough data; Too few years
Best rank ever: #13,957; 2011

Spellings of Saku

Saku is not the most common spelling — Jake is, with 35.6% against Saku's <0.01%.

Jake35.6%129,322
Sam35.0%127,234
Saul11.9%43,288
Sage4.3%15,762
Sami1.5%5,303
Sky1.2%4,205
Sal1.0%3,663
Said0.87%3,166

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.

Saku by the numbers

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

As a boy's name

Rank in 2025: Unranked
Trend vs 5 yrs ago: —
Best rank ever: #13,957; 2011
Peak year: 2011; 5 that year
First recorded: 2011
Last recorded: 2011
All-time count: 5
Count in 2025: Under 5

Names similar to Saku

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

Saki Sakar Sakhi Kaku Sakeef Sakoni Sakori Kohaku Sakhari Sakhai Sakima Sakhani Haku Melaku Sakaria Sakariya Sakae Taku Sakib Sakani Sakai Sakari Saket Saksham

Sibling names for Saku

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

Elin Lilyanna Adelle Kamille Kyndall Lillianna Leigha Rylan

For a brother

Jadiel Amare Jorden Giovani Xzavier Jerimiah Rylee Konnor

Explore around Saku

Top names of 2011, Saku's peak year The 2010s in full Other names that peaked in 2011 Boys' names starting with S Uncommon Finnish Boy Names