Jacoba

Girls' name

Feminine form of Jacob

Jacoba has been given to 296 babies in the U.S. since 1900. 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 1921, with 17 recorded.

Babies named Jacoba, 2023

1 in 663,000

Jacoba over time, 1880–2025

Girls

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Jacoba: meaning, origin, and history

Feminine form of Jacob

Deeper origin not confirmed in the cited records

What Jacoba means

Jacoba is a feminine form of Jacob.

Documented naming usage and pronunciation

Jacoba is used in Dutch.

Another recorded pronunciation is /jaː.ˈkoː.baː/ for Jacoba.

Meaning behind the documented name family

Jacoba is a feminine form of Jacob. Jacob has more than one origin or interpretation.

Related names and everyday forms

Related names include Jacob.

Pronunciation and spelling

In Dutch, Jacoba is pronounced /jaːˈkoː.baː/.

American usage and historical context

In the United States, 296 girls were recorded with the name Jacoba between 1900 and 2023. Its highest annual count was 17 in 1921; its best national rank was #2,064 in 1900.

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 Jacoba?

Jacoba had fewer than 5 recorded uses in 2025, so these figures use 2023, the last year it was published.

Among all babies, 2023: 1 in 663,000; 5 of 3,314,783 births
Among girls only: 1 in 321,000; <0.01% of girls
Rank, 2023: Unranked; Fewer than 5 uses
Coin-flip room size: 459,528 kids; Even odds of a second one

Where Jacoba sits on the popularity scale

Rarest published (5 a year)#1 — Olivia (13,544)

Chance at least one other child shares the name

If the other children were drawn at random from the 2023 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 459,528 children born in 2023 and it's an even bet that one of them is another Jacoba. In a class of 30 the chance is Under 1%.

When Jacobas were born

Half of everyone ever recorded as Jacoba was born before 1938 — so the typical Jacoba is around 87 today.

Median birth year: 1938; About 87 years old
Biggest decade: 1920s; 22.0% of all use
Born in the last 25 years: 7.1%; Mostly a past generation
Recorded since 1950: 140; People you could plausibly meet

Choose a decade

1920s — 22.0% of all recorded uses (65).

Is Jacoba 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 1921 (17)
Years since peak: 104; Years
Year-to-year steadiness: Volatile; 26.1% average annual change
Best rank ever: #2,064; 1900

Spellings of Jacoba

Jacoba is not the most common spelling — Jacob is, with 88.6% against Jacoba's 11.4%.

Jacob88.6%2,305
Jacoba11.4%296

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.

Jacoba around the world

Where Jacoba 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.

Canada
1992–2000
#2,489
in 2000
South Australia
1956–1999
#729
in 1999

Popularity data from Statistics Canada and Consumer and Business Services (South Australia). StatCan data under Statistics Canada Open Licence. CBS SA data under CC BY 4.0.

Jacoba by the numbers

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

As a girl's name

Rank in 2025: Unranked
Trend vs 5 yrs ago: —
Best rank ever: #2,064; 1900
Peak year: 1921; 17 that year
First recorded: 1900
Last recorded: 2023
All-time count: 296
Count in 2025: Under 5

Names similar to Jacoba

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

Jacobi Jackee Jacara Jackye Jackson Jacyln Jaclin Jacoya Jacole Jacky Jacoby Jacques Jacci Jacquel Jacora Jacolyn Jacilyn Jacari Jacqui Jacee Jace Jaclyne Jacelynn Jacynda

Sibling names for Jacoba

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

Elvera Rubie Tressie Lavinia Myrtis Margarette Adell Idella

For a brother

Hardy Antone Harmon Arlie Burl Dewitt Patsy Milford

Explore around Jacoba

Top names of 1921, Jacoba's peak year The 1920s in full Other names that peaked in 1900 Girls' names starting with J Dutch Girl Names Dutch Names