Jacub

Boys' name

Meaning not yet documented

Jacub has been given to 184 babies in the U.S. since 1991. 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 2008, with 14 recorded.

Babies named Jacub, 2016

1 in 612,000

Jacub over time, 1880–2025

Boys
05101518801900192019401960198020002020

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

How common is Jacub?

Jacub had fewer than 5 recorded uses in 2025, so these figures use 2016, the last year it was published.

Among all babies, 2016
1 in 612,000
6 of 3,669,531 births
Among boys only
1 in 316,000
<0.01% of boys
Rank, 2016
Unranked
Fewer than 5 uses
Coin-flip room size
423,922 kids
Even odds of a second one

Where Jacub 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 2016 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 423,922 children born in 2016 and it's an even bet that one of them is another Jacub. In a class of 30 the chance is Under 1%.

When Jacubs were born

Half of everyone ever recorded as Jacub was born before 2002 — so the typical Jacub is around 23 today.

Median birth year
2002
About 23 years old
Biggest decade
2000s
47.3% of all use
Born in the last 25 years
97.3%
A modern name
Recorded since 1950
184
People you could plausibly meet
Choose a decade

2000s — 47.3% of all recorded uses (87).

Is Jacub 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 2008 (14)
Years since peak
17
Years
Year-to-year steadiness
Volatile
38.1% average annual change
Best rank ever
#5,286
1995

Spellings of Jacub

Jacub is not the most common spelling — Jacob is, with 51.6% against Jacub's <0.01%.

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.

Jacub around the world

Where Jacub 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
    2007–2021
    #4,789
    in 2021

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

Jacub 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
#5,286
1995
Peak year
2008
14 that year
First recorded
1991
Last recorded
2016
All-time count
184
Count in 2025
Under 5

Names similar to Jacub

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

Sibling names for Jacub

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 Jacub